The number of laps around the lake did Heather run last week when the Ken ran 10 laps around the lake is 20/3.
Fraction number is the number which is a part of a whole number. It is written with a numerator and denominator. Fraction number are written as,
[tex]\dfrac{a}{b}[/tex]
Here (a) is the numerator and (b) is the denominator.
Last week, Ken ran 10 laps around the lake. Heather ran 2/3 as many laps around the lake as Ken did. Thus, the number of laps heather ran is,
[tex]x=\dfrac{2}{3}\times10\\x=\dfrac{20}{3}[/tex]
Hence, the number of laps around the lake did Heather run last week when the Ken ran 10 laps around the lake is 20/3.
Learn more about the fraction number here:
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