If the sales price of a toy car is $64, including a 20% discount, what was the regular price of the toy card before the discount?

Question

Mathematics

Swiss Miss

30 May, 17:07

If the sales price of a toy car is $64, including a 20% discount, what was the regular price of the toy card before the discount?

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Saniyah Jefferson · Answer 1

Hi there! So the toy car was on sale for 20%, and the sale price is $64. To find the original price of the toy car, we can write and solve a proportion. Set it up like this:

64/x = 80/100

This is because 64 is part of the whole, which is the original price, and although you get a 20% discount, you still have to pay 80% of the original price, which is why 80 is over the 100, in stead of 20. Let's cross multiply the values. 64 * 100 is 6,400 and 80 * x is 80x. That leaves 6,400 = 80x. Now, divide each side by 80 to isolate the x. 80x/80 cancels out. 6,400/80 is 80. We found the number, but let's check it. 80 * 80% (0.8) is 64. There. x = 80. The regular price of the toy car was $80.