Respuesta :
Answer:
20
Step-by-step explanation:
you can use x as the unknown number. we know 50%=1/2. we also know that 1/2 of x is 10
equation: 1/2x=10
now multiply both sides by 2 to isolate x
x=10 x 2, x=20
the unknown number is 20
10 is 50% of what number?
ANSWER: 10 is 20% of 50
the answer is 20
10/20