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15 votes
Terry goes to the store to buy a shirt. The original price is $32. The shirt is

marked down 20%. When he gets to the check-out stand, he learns that
everything in the store is another 10% off of the marked down price. Which
dollar amount below is closest to the amount Terry paid for the shirt?

User Juni
by
8.5k points

1 Answer

7 votes

Answer:

The closest amount paid is $23

Explanation:

Given


Price = \$32


Mark\ down = 20\%

Amount = 10% of Marked down price

Required

Determine the amount paid

First, we calculate the marked down price P2:


P_2 = Price(1 - Mark\ down)

Substitute values for Price and Mark down


P_2 = \$32 * (1 - 20\%)

Express percentage as decimal


P_2 = \$32 * (1 - 0.20)


P_2 = \$32 * (0.80)

Remove bracket


P_2 = \$32 * 0.80


P_2 = \$25.6

The payable amount is 10% off the marked down price,

This is calculated as:


Amount = P_2 - P_2 * 10\%

Substitute $25.6 for P2


Amount = \$25.6 - \$25.6* 10\%

Express percentage as decimal


Amount = \$25.6 - \$25.6* 0.10


Amount = \$25.6 - \$2.56


Amount = \$23.04

The closest amount paid is $23

User MSpeed
by
9.1k points

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