richardsonl
18.06.2021 •
Mathematics
Shopping While shopping for clothes, Tracy spent $28 less than 2 times what Curtis spent. Tracy
spent $22. Write and solve an equation to find how much Curtis spent. Let x represent how much
Curtis spent.
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Ответ:
15
Step-by-step explanation:
let total num of boys be X.
then,2/5 of X = 8
2 ×x = 40
X = 20
Now, let the total num of students be y,then we get,
4/7 of y = 20
4 × y = 140
y = 35
similarly, total num of girls = total num of students - total num of boys
= 35 - 20
= 15 ans