Question: Last week, Shivani ran 10 laps around the lake. Bridget ran 1/2 as many laps around the lake as Shivani did. How many laps around the lake did Bridget run?
Write your answer as a fraction or as a whole or mixed number.
(1) 5
(2) 4
(3) 3
(4) 6
Solution:
Bridget ran 1/2 times 10 laps around the lake.
Multiply:
1/2*10 = ?
Write 10 as an improper fraction.
10 = 10/1
Multiply the numerators and multiply the denominators.
1/2*10/1 = 1*10/2*1 = 10/2
Simplify the product.
10/2 = 5
Bridget ran 5 laps around the lake.
Then the option is (1) 5.
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