Question

Riley goes to a store an buys an item that costs x dollars. She has a coupon for 10% off, and then a 8% tax is added to the discounted price. Write an expression in terms of x that represents the total amount that Riley paid at the register.

Answer 1

answer is .927x
EZ (sorry if that’s rude)
i’m not good at math

Answer 2

0.972x

Explanation:

x - 0.1x + 0.08(0.9x)

Converting percentages to decimals has you divide the percentage by 100.

So our first equation is full price minus a tenth of that price, leaves you with nine tenths, right? Then we multiply that nine tenths by 8 percent, which is 8 hundredths.

0.9x + 0.072x = 0.972x