A+b=44 a+b=44 a: b a: b is equivalent to 4: 7. a= b=

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Icould really use some with this question.

Afootball is throw by a quarterback to a receiver