You buy a bike and a helmet for $223.89 and $29.50, respectively. You have two gift cards of equal value. You use both gift cards and pay an additional amount of $3.39. What is the value of one gift card?
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Solution
Cost of the bike =$223.89
Cost of the helmet =$29.50
Total cost of the bike and the helmet =$223.89+$29.50=$253.39
You paid the total amount using two gift cards, which are of equal value, and an additional amount of $3.39.
Total cost = Value of the two gift cards + additional amount
Using the related fact family equation for subtraction, we can write:
Total cost − Additional amount = Value of two gift cards $253.39−$3.39= Value of two gift cards $250= Value of two gift cards
Value of two gift cards =$250
Value of one gift card =$250÷2=$125