There is a formula:
(Pump1 Time * Pump2 Time) / (Pump1 Time + Pump2 Time) = Total Time
Let's say Pump 1 is the old pump
(15 * Pump2 Time) / (15 + Pump2 Time) = 5 Hours
Solving for Pump 2 time
Pump 2 time = (Pump 1 time * Total Time) / (Pump 1 time - Total Time)
Pump 2 time = (15 * 5) / (15 - 5)
Pump2 time = 75 / 10
Pump2 time = 7.5 Hours
and Happy New Year!!!!!
Double Check
(15 * 7.5) / (15 + 7.5) = Total Time
112.5 / 22.5 = 5 Hours Total
Answer:
Yes, it represents a function
Step-by-step explanation:
Doing the vertical line test, no point goes through the vertical line twice
Answer:
Caitlin can buy no more than 4 bracelets.
Step-by-step explanation:
Let b represent the number of bracelets
4.75b <= 22
4.75b/4.75 <= 22/ 4.75
b<= 4.63
Answer:
3.025 as a fraction is 121/40
Answer:
39/40
Step-by-step explanation:
Since 39 out of 40 marbles are green, the probability of randomly choosing green is 39/40.
However, the probability becomes 100% when you look into the bag and choose a green marble. (Unless you are blind or unable to distinguish blue from green, in which case the probability remains 39/40.)