Finding an Original Amount

Question 3 • DAEP - Math 7 A (20 DAY TERM)

Which scenario is modeled in the diagram below?PercentsTotal75%25%100%25%25%25%25% $55.15$55.15$55.15$55.15

Answer

Kaia saved $55.15 on a new guitar because it was 75 percent off. She paid $220.60 for the guitar.

Kaia saved $165.45 on a new guitar because it was 75 percent off. She paid $220.60 for the guitar.

Kaia saved $55.15 on a new guitar because it was 75 percent off. The price of the guitar before the discount was $220.60.

Kaia saved $165.45 on a new guitar because it was 75 percent off. The price of the guitar before the discount was $220.60.

Explanation

The diagram divides the 100% total price into four equal 25% parts, each worth $55.15. The original price is 4 × $55.15 = $220.60, and a 75% discount is three parts, or 3 × $55.15 = $165.45. So Kaia saved $165.45, and the guitar’s price before the discount was $220.60.

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Finding an Original Amount