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icang [17]
3 years ago
7

Eddie has saved up $45 to purchase a new camera from the local store. The sales tax on his county is 7% of the sticker price. Wr

ite an equation and solve it to determine the volume of the highest price to camera that he can purchase within his $45, including the sales tax round your answer to the nearest penny
A. x-0.07x=45; $48.39

B. 0.7x=45; x=$64.29

C. 7x=45; x=$6.43

D. x+0.07x=45; x=$42.06
Mathematics
1 answer:
pshichka [43]3 years ago
4 0
X= price of camera

Multiplying the price of the camera by the sales tax percent will equal the amount of tax. Add the amount of tax to the price of the camera.

x + (x * 7%)= $45.00
convert % to decimal (7% ÷ 100)

x + (x * 0.07)= 45.00
multiply in parentheses

x + 0.07x= 45.00
combine like terms

1.07x= 45.00
divide both sides by 1.07

x= $42.056

x= $42.06 rounded


ANSWER: (D) x + 0.07x= $45; x= $42.06

Hope this helps! :)
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Read 2 more answers
Two mechanics worked on a car. the first mechanic worked for 10 hours, and the second mechanic worked for 15 hours. together the
Yuliya22 [10]
Let x and y be the rate per hour for Mechanic 1 and 2 respectively.

Then,
x+y=205 ---------- (1)
Additionally,
10x+15y = 2500 ------ (2)

Solving equations 1 and 2;
Multiply (1) by 10 and subtract two from the result,
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