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Mathematics 9 Online
OpenStudy (anonymous):

the price of a case of juice is $15.00. fred has a coupon for 20 cents off each bottle in the case.the expression to find the final cost of the case of juice is 15-0.2b, wherein b is the number of bottles. what are the terms of the expressoin?

OpenStudy (anonymous):

@LazyBoy

OpenStudy (anonymous):

@raiders88

OpenStudy (raiders88):

srry dont know

OpenStudy (anonymous):

k thanks for trying

OpenStudy (raiders88):

yup anytime

OpenStudy (anonymous):

do u know anyone that can help

OpenStudy (anonymous):

@phi

OpenStudy (anonymous):

please help me

OpenStudy (phi):

15-0.2b what does the 15 mean ? (based on the info in the question)

OpenStudy (anonymous):

i guess $

OpenStudy (phi):

yes, the 15 is the cost of the case. notice it is added or subtracted with 0.2b when you have "things" that are added or subtracted, each thing is called a term

OpenStudy (phi):

they want you to say 15 and 0.2b are the terms

OpenStudy (anonymous):

now

OpenStudy (anonymous):

what are the factors of each team? ______ is the only factor of the ______ term amd_____ and____ are the factors of the _____ term.

OpenStudy (phi):

factors are things (numbers or letters) that are multiplied together

OpenStudy (anonymous):

i just dont understand what goes in the blanks

OpenStudy (phi):

what is being multiplied in the first term: 15 ?

OpenStudy (anonymous):

yeah

OpenStudy (phi):

what is being multiplied ? you see 15 do you see any thing multiplying it ?

OpenStudy (anonymous):

no

OpenStudy (phi):

now read this ______ is the only factor of the ______ term

OpenStudy (phi):

it seems that if there is only 15, then the only factor is itself.

OpenStudy (phi):

want to try filling in the first blank?

OpenStudy (anonymous):

yes

OpenStudy (phi):

what should you put in the first blank? ______ is the only factor of the ______ term

OpenStudy (anonymous):

15

OpenStudy (phi):

ok. and which term is the 15 (I would use first or second)

OpenStudy (anonymous):

first

OpenStudy (phi):

ok

OpenStudy (phi):

now _____ and____ are the factors of the _____ term. the other factor is 0.2b what is being multiplied in 0.2b ?

OpenStudy (anonymous):

15

OpenStudy (phi):

what is being multiplied in 0.2b ?

OpenStudy (anonymous):

15

OpenStudy (anonymous):

no 0.2b

OpenStudy (phi):

if you see a number and a letter next to each other that means they are being multiplied.

OpenStudy (anonymous):

ik it took me a min

OpenStudy (phi):

yes, but 0.2b has two factors. What two things are being multiplied ?

OpenStudy (anonymous):

0.2b

OpenStudy (phi):

0.2b in one term, but that term has two factors It has a number. what is the number ? It has a letter. what is the letter?

OpenStudy (anonymous):

b

OpenStudy (phi):

yes, the letter in 0.2b is b what i the number ?

OpenStudy (anonymous):

0.2

OpenStudy (phi):

those two things b and 0.2 are the factors can you fill them in the blanks? _____ and____ are the factors of the _____ term.

OpenStudy (anonymous):

i got it do both terms have coefficients? explain___________________________________________________________________________________________ what are the coefficients?______

OpenStudy (phi):

coefficients are numbers that multiply a letter if there is no letter in a term, then there is no coefficient does 12 have a letter ?

OpenStudy (phi):

**does 15 have a letter ?

OpenStudy (anonymous):

no

OpenStudy (phi):

does 0.2b have a letter?

OpenStudy (anonymous):

yes

OpenStudy (phi):

what is the coefficient of 0.2b ?

OpenStudy (phi):

coefficients are numbers that multiply a letter

OpenStudy (phi):

what is the number in 0.2b ? (you answered this already)

OpenStudy (anonymous):

0.2

OpenStudy (phi):

and coefficients are numbers that multiply a letter so what can we call 0.2 (because it multiplies the "b" ) ?

OpenStudy (anonymous):

wuld it be no because 15 is a singgle number

OpenStudy (phi):

ok for the first part. but you do have 1 coefficient for 0.2b

OpenStudy (anonymous):

yes

OpenStudy (phi):

what is the coefficient for 0.2b ?

OpenStudy (anonymous):

0.2

OpenStudy (phi):

yes, so 0.2 goes in the last blank

OpenStudy (anonymous):

what does the expression 15-0.2b mean in the given situation

OpenStudy (phi):

do you know 20 cents is 0.2 dollars?

OpenStudy (anonymous):

now i do

OpenStudy (phi):

they say you get a discount of 0.2 dollars (20 cents) for each bottle. For example, if you bought 2 bottles you would get 0.40 off (2*0.20)

OpenStudy (phi):

if you bought 3 bottles you would get off 3*0.20 = 0.60 (60 cents off) the rule is if you have "b" bottles (b is some number) then the amount of discount is b times 0.20

OpenStudy (phi):

they tell you the expression to find the final cost of the case of juice is 15-0.2b it is the cost of the case minus the amount of discount

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