3 years ago

Suppose y varies directly as x and y=21 when x 3 find x when y=42

Mathematics

1 answer:

irga5000 [103]3 years ago

7 0

<span> 35
y=kx, where k is a constant
substitute in y=21 and x=3, you will get k=7
y=7(5)
y= 35 </span>

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