Question

Evelyn, Neil, and Leilani swim laps at constant rates. Select the swimmer who swims the fastest. Remember, the fastest swimmer swims laps in the shortest amount of time. Choose 1 answer: Choose 1 answer: (Choice A) A Evelyn swims 444 laps in 216216216 seconds. (Choice B) B Neil calculates the number LLL of laps he swims in SSS seconds using the equation 126L=3S126L=3S126, L, equals, 3, S. (Choice C) C

Answer 1

Answer:

The fastest swimmer is Leilani

Step-by-step explanation:

The complete question in the attached figure

step 1

we know that

Evelyn swims 4 laps in 216 seconds

Divide the total time by the number of laps

so

$\frac{216}{4}= 54\ seconds\ per\ lap$

step 2

Neil

we know that

$126L=3S$

Solve for S

Divide by 3 both sides

$S=\frac{126}{3}L$

so

$S=42L$

That means ----> Neil swim $42\ seconds\ per\ lap$

step 3

we know that

Leilani swim $32\ seconds\ per\ lap$

step 4

Compare the values

$32\ sec < 42\ sec < 54\ sec$

therefore

The fastest swimmer is Leilani

Answer 2

Answer:

C

Step-by-step explanation:

Khan

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