Question

Two numbers are 50% and 90% lesser than a third number. by how much percent is the second number to be enhanced to make it equal to the first number?

Answer 1

a:c=50:100
b:c=10:100
so a:b:c=50:10:100
b increased by 40
40/50×100=80% increase.
please mark it as a brainliest answer