what is the ratio whose terms differ by 40 and measure of which is 2/7 ? any one know please explain
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Step-by-step explanation:
x:y
y-x=40
y=40-x
x/y=2/7
7x=2y
7x=2(40-x)
7x=80-2x
9x=80
x=9
y=31
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