Question

Anthony is saving for a Xbox one he currently has the $165 saved and earned $40 per week doing chores around the house if an Xbox cost 500+10% sales tax how long will it take for him to save that amount

Answer 1

10 weeks

Explanation:

Let w represent the number of weeks Anthony will be saving. Then he wants ...

165 + 40w = 500 +0.10×500

40w = 385 . . . . . subtract 165 and simplify

w = 9.625 . . . . . . divide by 40

It will take Anthony 9.625 ≈ 10 weeks to save that amount.