The cost of an order of 10 hamburgers, 9 fries, and 3 shakes can be represented by the polynomial 10h + 9f + 3s. Find the cost of the order if hamburgers are $1.89 each, fries are $.79 each, and shakes are $1.49 each.
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OpenStudy (anonymous):
Did you want the answer or how to solve?
OpenStudy (anonymous):
both
OpenStudy (mathstudent55):
Use the equation
\(10h + 9f + 3s\),
and substitute h, f, and s by the prices given.
Then evaluate it.
OpenStudy (anonymous):
10h + 9f + 3s
10(1.89) + 9(.79) +3(1.49)
18.9 + 7.11 + 4.47
30.48
Don't you have a calculator lol
OpenStudy (anonymous):
yes i do
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OpenStudy (anonymous):
Just not know how to do this?! This isn't hard, what math are you in?!
OpenStudy (anonymous):
prealgebra
OpenStudy (anonymous):
Hahaha nevermind.... maybe it is hard.. What grade?
OpenStudy (anonymous):
senior
OpenStudy (anonymous):
?!?!?!?! So is that hard or you just didn't want to do it?
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OpenStudy (anonymous):
i didnt want to do it
OpenStudy (anonymous):
Hahaha nice.... I could have taken like 2 mins max... Why?!