Math Percentages

12. 2/3 of a number is greater than 20% of 60 by 7. Find the number.

回答 (1)

2008-02-24 10:17 pm
✔ 最佳答案
let x be the number
2/3x=0.2(60)+7
2/3x=12+7
2/3x=19
x=19*3/2
x=28.5


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