One number is 10 times another number. their difference is 72. what are the two numbers?
2 answers:
Lets 2 numbers are x and y
x = 10y
x - y = 72
substitute x = 10y into x - y = 72
10y - y = 72
9y = 72
y = 8
x = 10y = 80
answer
2 numbers are 8 and 80
The answer is 80 and 8
. 8x10=80
80-8=72
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