Wribreeminsl
2021-08-10
Cristiano Sears
Skilled2021-08-11Added 96 answers
Formula used:
An equation that equates two rates of ratios is called proportions.
Where
To solve the proportions multiply both sides of the equation by LCD.
Calculation:
One pump take 24 minutes in filling pool while second pump take 56 minutes in filling pool.
Let x be the time to fill the pool if both the pumps were working together.
Hence, in 1 minute the first pump can fill
Hence, together they can fill
Hence the LCD of the provided proportion is 168x.
Hence, multiply both sides of the equation by 168x as:
Further simplify as:
Now divide both sides of the equation by 10 as:
Now, use Ti-83 calculator to solve the expression
Step 1: Press On key to turn on the calculator.
Step 2: Enter the expression
Step 3: Press Enter key to calculate the value as,
Hence, if both pumps will work together then they will fill the pool in 16.8 minutes.
Jeffrey Jordon
Expert2021-12-17Added 2605 answers
Answer is given below (on video)
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