hose r can fill an empty pool in 4/5 the time that hose s can empty a full pool. if they are both used at the same time with an empty pool, the pool will be filled in 20 hours. What is the rate of each

the answer is 15% decrease

google dat sis

step-by-step explanation:

34.5 cm

step-by-step explanation:

generally for a circular segment of angle, θ° and radius r

arc length

= (θ/360) x circumference

= (θ/360) x 2πr

in our case, θ = 60°, π=3.142 and r = 33 cm

substitute into above formula

arc length

= (60/360) x 2(3.142)( 33) = 34.5 cm