laurenrichb laurenrichb

27-11-2021
Mathematics

contestada

Mary can swim 3 laps in 6
minutes. Use an equivalent ratio
to determine how many laps
Mary can swim in 18 minutes.
How many laps?

Respuesta :

lava14salo lava14salo

27-11-2021

3:6
Times by 3
Which the answer is
9:18
That’s how you work out

Answer Link

jcherry99 jcherry99

27-11-2021

Answer:

9 laps

Step-by-step explanation:

Set up a proportion

3 laps / 6 minutes = x [which represents laps]/18 minutes Cross multiply

6*x = 3 * 18 Combine

6x = 54 Divide by 6

6x/6 = 54/6

x = 9

Answer Link

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