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MATH SOLVE
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If y is directly proportional to x and y = 17.5 when x=21 find y when x=39
4 months ago
Q:
If y is directly proportional to x and y = 17.5 when x=21 find y when x=39
Accepted Solution
A:
direct proportion y=kx , k is constant and k does not equal to 0.17.5=k(21)k=5/6when x =39y=5/6 Γ39y=32.5