x=y/7
y-x=18
Substitute
y-(y/7)=6y/7=18 => y=21 and x = 3
George A.
asked • 01/16/19a number is 1/7 of another number. The difference of the numbers is 18. Find the numbers.
a number is 1/7 of another number. The difference of the numbers is 18. Find the numbers.
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