Asked by Valentina
Mr. Singh deposited $170 in his bank. The number of $5 bills was three times the number of $10 bills and the number of one dollar bills was 30 more than the number of five dollar bills how many bills of each type did he deposit
Answers
Answered by
Henry
X = The # of $10 bills.
3X = the # of $5. bills.
3x+30 = The # of $1 bills.
10x + 5*3x + 1*(3x+30) = 170
10x + 15x + 3x + 30 = 170
28x = 140
X = 5-$10 bills.
3x = 3*5 = 15-$5 bills.
3x+30 = 3*5 + 30 = 45-$1 bills.
3X = the # of $5. bills.
3x+30 = The # of $1 bills.
10x + 5*3x + 1*(3x+30) = 170
10x + 15x + 3x + 30 = 170
28x = 140
X = 5-$10 bills.
3x = 3*5 = 15-$5 bills.
3x+30 = 3*5 + 30 = 45-$1 bills.
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