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jpsaad00
01.10.2019 •
Mathematics
Ebony earns $2,000 per month. if she spends $450 on rent each month, what percent of her income does she spend on rent? user: of the runners in a marathon through northeastern pennsylvania, 94.12% finished the race. if 2,125 runners started the race, how many finished the race?
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Ответ:
$2000 = 100 %
Then:
$2000 100%
$450 x
x=($450*100%) / $2000=22.5%
sol₁=22.5 % of her income are spent on rent.
2)
2,125 =100%
then:
2,125 runners100 %
x 94.12%
x=(2,125 runners * 94.12%) / 100%=2000.05≈2000
sol₂: 2,000 runners have finished the race.
Ответ: