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Math  /  Numbers & Operations

QuestionTyler Moore L1-3
If Olivia can swim 19 lengths of a 25-metre (m) pool every 15 minutes, how many metres can she swim in one hour?
Include the units mm (metres) in your answer.

Studdy Solution

STEP 1

1. Olivia swims 19 lengths of a 25-meter pool every 15 minutes.
2. We need to find out how many meters she can swim in one hour (60 minutes).

STEP 2

1. Calculate the distance Olivia swims in 15 minutes.
2. Determine how many 15-minute intervals are in one hour.
3. Calculate the total distance swum in one hour.

STEP 3

Calculate the distance Olivia swims in one 15-minute interval.
\[ \text{Distance in 15 minutes} = 19 \text{ lengths} \times 25 \text{ m/length} $
\[ \text{Distance in 15 minutes} = 475 \text{ m} $

STEP 4

Determine how many 15-minute intervals are in one hour.
\[ \text{Number of 15-minute intervals in 60 minutes} = \frac{60 \text{ minutes}}{15 \text{ minutes/interval}} $
\[ \text{Number of intervals} = 4 $

STEP 5

Calculate the total distance swum in one hour.
\[ \text{Total distance in one hour} = 475 \text{ m/interval} \times 4 \text{ intervals} $
\[ \text{Total distance in one hour} = 1900 \text{ m} $
The total distance Olivia can swim in one hour is:
1900 m\boxed{1900 \text{ m}}

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