Question

X over 15 = 10 over 20. Solve.

Answer 1

x/15=10/20
Multiply 15 on both sides
x=10/20*15
Convert 15 into an improper fraction
x=10/20*15/1
Multiply
Final Answer: x=150/20 or 7 10/20 or 7 5/10 or 7 1/2 or 7.5 *All answers are equivalent to each other.

Answer 2

x/15=10/20
x/15=1/2
x=1/2 * 15
x=15/2