1/5 multiplied by what other fraction would give you 9/20?

Percent increase and decrease. original number: 45 new number: 18

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6