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Mathematics 8 Online
OpenStudy (anonymous):

h is to 8 as 3 is to 12. what is h ?

OpenStudy (anonymous):

what are answer choices?

OpenStudy (anonymous):

A)2, B)4, C)15, D)32

OpenStudy (anonymous):

simplify the ratios to h:8 and 1:4 then you multiply 1:4 by 2 to get your answer so what is h?

OpenStudy (anonymous):

i don't know

OpenStudy (anonymous):

multiply 1:4 by 2

OpenStudy (anonymous):

ok hold on

OpenStudy (anonymous):

2:8 ?

OpenStudy (anonymous):

yes!

OpenStudy (anonymous):

ok, so, now what?

OpenStudy (anonymous):

8 divided by 2 is...

OpenStudy (anonymous):

16

OpenStudy (anonymous):

no actually its 4

OpenStudy (anonymous):

oh! i thought to multiply sorry, okay, so $ and now ?

OpenStudy (anonymous):

thats your answer

OpenStudy (anonymous):

ok, thanks

OpenStudy (anonymous):

yup

OpenStudy (anonymous):

i need help with another, can i type my question ?

OpenStudy (anonymous):

sure

OpenStudy (anonymous):

Solve for X- 15:3 = x:12 A) X=4 B) X=5 C) X=24 D) X=60

OpenStudy (anonymous):

is that -15 or just 15

OpenStudy (anonymous):

just 15

OpenStudy (anonymous):

the question is solve for X the equation starts with 15

OpenStudy (anonymous):

so how can you simplify 15:3? what is the gcf

OpenStudy (anonymous):

ok, hold on

OpenStudy (anonymous):

30?

OpenStudy (anonymous):

hello?

OpenStudy (anonymous):

no thats the lcf. what can be divided into 3 and 15?

OpenStudy (anonymous):

can you figure that out?

OpenStudy (anonymous):

yeah, um, hold on

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

i got um 45, i think that is the greatest

OpenStudy (anonymous):

instead of multipling, divide. the gcf should be as low as possible

OpenStudy (anonymous):

15

OpenStudy (anonymous):

lower

OpenStudy (anonymous):

3?

OpenStudy (anonymous):

yes. now divide 3 by 3 and 15 by 3 to get what and what

OpenStudy (anonymous):

9 , 45

OpenStudy (anonymous):

?

OpenStudy (anonymous):

divide them not multiply

OpenStudy (anonymous):

1, 5

OpenStudy (anonymous):

yes now you have 5:1 and x:12

OpenStudy (anonymous):

is my answer 5 ?

OpenStudy (anonymous):

so now multiply 1 by 12 and 5 by 12 to get what?

OpenStudy (anonymous):

12 , 60

OpenStudy (anonymous):

oh i didnt see that last one yes it is 5

OpenStudy (anonymous):

get it?

OpenStudy (anonymous):

yeah i suppose . thank s

OpenStudy (anonymous):

ok

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