Verified Answer :

dasetka

\(\frac{6}{15}\) = \(\frac{2}{c}\)   Cross multiply (6 x c and 15 x 2)
6c = 30   Divide both sides by 6
  c = 5

gabrielagonzalez123

it's a proportion.
6c=152
6c=30
6/6=30/6
c=5

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