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A is directly proportional to b such that a = 2b. what is a if B =3? Also, what is b if a =7?

A is directly proportional to b such that a = 2b. what is a if B =3? Also, what is-example-1

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A is directly proportional to b such that a = 2b. what is a if B =3? Also, what is-example-1
User Krzysztof Przygoda
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if b was 3 a will be 6 because 2*3=6
and for the second part b will be 3.5 because 2*3.5=7
User Jschmitter
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