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Mathematics 16 Online
OpenStudy (anonymous):

Frank is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A charges $93 and allows unlimited mileage. Company B has an initial fee of $65 and charges an additional $0.70 for every mile driven. For what mileages will Company A charge less than Company B? Use m for the number of miles driven, and solve your inequality for m @KaMaddie

OpenStudy (anonymous):

@kaylalynn82514 @kaylamarie081 @Kailee1423

OpenStudy (anonymous):

@William14 @uChezzy @immanuelv @Pagetar

OpenStudy (camper4834):

let me take a look

OpenStudy (camper4834):

okay lets write an equation for how much A will cost

OpenStudy (anonymous):

can u show me how its supposed to be solve,

OpenStudy (camper4834):

how abouuuuuuuuuttttt. COST=93

OpenStudy (camper4834):

yes i will show you

OpenStudy (camper4834):

next lets write an equation for B

OpenStudy (camper4834):

COST=65+.7m

OpenStudy (anonymous):

ok how

OpenStudy (camper4834):

you pay .7 for the miles you drive so we want to multiply our miles by .7

OpenStudy (anonymous):

what do i put then

OpenStudy (camper4834):

and the 65 just gets added on

OpenStudy (camper4834):

now we want to see when A is less than B

OpenStudy (camper4834):

A < B

OpenStudy (camper4834):

well now we know what A and B are A is 93 and B is 65+.7m

OpenStudy (camper4834):

so why don't you plug them in to A<B and see what you get

OpenStudy (anonymous):

so how its solved

OpenStudy (camper4834):

no, for now just take 93 and 65+.7m and put them into our A<B

OpenStudy (anonymous):

how will it be writtrn

OpenStudy (camper4834):

yes

OpenStudy (camper4834):

you tell me

OpenStudy (camper4834):

|dw:1416341068925:dw|

OpenStudy (anonymous):

93<65+.7m

OpenStudy (camper4834):

awesome, now can you do some work to get M by itself?

OpenStudy (camper4834):

lets start by moving that 65 to the other side. how do we do that?

OpenStudy (anonymous):

idk how, i got a minute left for the right answer

OpenStudy (camper4834):

93-65<.7m 28<.7m 28/.7<m 40<m

OpenStudy (anonymous):

is it 40<m

OpenStudy (camper4834):

when the miles are greater than 40 you are paying less for A

OpenStudy (anonymous):

m>40

OpenStudy (anonymous):

can u help with this one For his phone service, Hong pays a monthly fee of $16 , and he pays an additional $0.05 per minute of use. The least he has been charged in a month is $76.45 . What are the possible numbers of minutes he has used his phone in a month? Use m for the number of minutes, and solve your inequality for m

OpenStudy (anonymous):

@camper4834

OpenStudy (camper4834):

i'll help you with making the equation but do you know how to do algebra?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

i just need help with the equation

OpenStudy (camper4834):

okay when i show you how to make the equation i need you to finish it

OpenStudy (anonymous):

k i will

OpenStudy (camper4834):

so he pays .05 per minute

OpenStudy (camper4834):

that means multiply .05 by minutes (m)

OpenStudy (camper4834):

then just add 16 to get 16+0.05m

OpenStudy (camper4834):

this will get you your cost AND

OpenStudy (camper4834):

\[76.45 \le COST\]

OpenStudy (anonymous):

so theres not inequality sign

OpenStudy (camper4834):

\[76.45 \le 16+0.05m\] solve for m

OpenStudy (anonymous):

i have one last one.... To rent a certain meeting room, a college charges a reservation fee of $37 and an additional fee of $9.30 per hour. The film club wants to spend at most $120.70 on renting the meeting room. What are the possible amounts of time for which they could rent the meeting room? Use t for the number of hours the meeting room is rented, and solve your inequality for t

OpenStudy (anonymous):

@camper4834

OpenStudy (camper4834):

\[(reservation fee) + (additional fee) * (h) \le 120.70\]

OpenStudy (anonymous):

@Abhisar @flvsucks @Uhoh10thgrader @William14 @Samus_Aran @aryandecoolest

OpenStudy (anonymous):

t "the less than or equal to sign" 9

OpenStudy (anonymous):

i'm terrible at math sooo

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