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Mathematics 8 Online
OpenStudy (anonymous):

I WILL MEDAL & FAN YOU , PLEASE HELP The amount of money a plumber charges when visiting a home to make a repair is shown by the linear equation c = 135 + 52h, where c is the amount the plumber charges and h is the number of hours spent at the home. How much does the plumber charge when h = 3.25?

OpenStudy (anonymous):

Do you know how to substitute?

OpenStudy (anonymous):

You put in the 3.25 in for the h. So your equation now says c = 135 + 52(3.25) Multiply 52 and 3.25. Then you need to add 135. That is your answer.

OpenStudy (anonymous):

@logan100

OpenStudy (anonymous):

So , 1,524 ?

OpenStudy (anonymous):

thats what I got when I multiplied and added @DIDITHEDAD

OpenStudy (anonymous):

Let me double check my work are see....

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

Okay, you are wrong. You need to multiply 52 and 3.25. What is the answer of this?

OpenStudy (anonymous):

THEN add that answer to 135.

OpenStudy (anonymous):

@logan100

OpenStudy (anonymous):

I got 169 & then when I added 135 I got 304 .. sorry I did something wrong

OpenStudy (anonymous):

I got 607.75. I took the original equation 135+52 and got 187. Then multiplied 187 times 3.25 and got my answer.

OpenStudy (anonymous):

No problem. You must have added first, then multiplied. Just remember to do it in order. So your final answer should be 304. Nice job! MEdaling you!

OpenStudy (anonymous):

*medaling

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