Question

N/15=21/35 Solve for the missing value in the proportion.

Answer 1

n=9

Explanation:

21/35 has a gcf of 7. so reduce to 3/5

move 3/5 to the left side to get

n/15=-3/5=0

solve as a linear equation.

n/15=-3/5=0 is equivalent to .67*n-0.6=0

which is equal to n=-9