Tracy participated in a marathon ,but managed to complete only 11/20 of the race.(a)what percentage of the marathon did she complete?(b)what percentage of the marathon did she not complete?
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Answer:
a) 55%
b) 45%
Step-by-step explanation:
a) percentage of marathon completed
= (fraction of marathon completed)/1 x 100%
= 11/20 x 100% = 55%
b) fraction of marathon not completed = 1 - fraction of marathon completed
= 1-11/20 = 9/20
percentage of marathon not completed
= (fraction of marathon not completed)/1 x 100%
= 9/20 x 100% = 45%
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