kayolaaaa53
08.01.2021 •
Mathematics
A boy has only dimes and quarters in his piggy bank. If he has 90 coins worth 12 dollars and 60 cents altogether, how many quarters does he have in his bank? A) 24 B) 25 C) 21 D) 22 E) 23
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Ответ:
x=2
Step-by-step explanation:
multiple the parenthesis, add like terms, move the constant and then divide