hannahkharel2
27.02.2020 •
Business
Debra saved only dimes and nickels in her bank. When she last counted the coins, she noticed there were twice as many dimes as nickels. She had $4.75 in her bank. How many dimes did she have in her bank?
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Ответ:
Nickles = $1.58
Dimes = $3.17
Explanation:
Suppose
Value of nickles = X
Value of Dimes = 2X (Twice as nickle)
Total Value in the bank = $4.75
According to given condition
Value of Nickle + Value of Dimes = Total in the Bank
X + 2X = $4.75
3X = $4.75
X = $4.75 / 3
X = 1.58
Nickles = $1.58
Dimes = (4.75 / 3) x 2 = $3.17
Check
1.58 + $3.17 = $4.75
$4.75 = $ 4.75
Ответ:
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