Step-by-step explanation:
<h3><em>Explanation</em><em> </em><em>is </em><em>in</em><em> the</em><em> </em><em>attachment</em><em> </em></h3>
<em>Hope </em><em>it</em><em> is</em><em> helpful</em><em> to</em><em> you</em>
First pool: 21 liters per min so to get 3100 gone do 3100 divided by 21 which equals 147
Second pool: 33 liters per min and you have 3472 divided 33 = 105
Same order as #1 for the rest of the problems.
#1 0.95% - R I=PRT=5000×0.0095×2
2 yrs - T =$95
$5,000 - P
#2 I=PRT
=300×0.0303×7
=$63.63
#3 I=PRT
=10,000×0.0252×10
=$2520
#4 I=PRT
=1×0.0075×15
=$0.1125
#5 I=PRT
=99×0.03×99
=$294.03