bks53
05.07.2019 •
Mathematics
76 is 95% of what number? 27 is 90% of what number? 35 is 70% of what number? 64 is 40% of what number? 82 is 20% of what number?
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Ответ:
1.76 is 95% of what number:
let the unknown number be x
95% of x = 76
Divide 95 by 100 to remove the percentage
95/100 * x = 76
x= 76*100/95
x=80 answer
2.27 is 90% of what number?
let the unknown number be x
90% of x = 27
Divide 90 by 100 to remove the percentage
90/100 * x = 27
x = 27*100 /90
x= 30 answer
3. 35 is 70% of what number?
Let the number be x
70/100 * x = 35
x= 50 answer
4. 64 is 40% of what number?
Let the number be x
40/100 * x = 64
x= 160 answer
5. 82 is 20% of what number?
Let the number be x
20/100 * x = 82
x = 410 answer
Ответ:
23.07$ (Option B)
Step-by-step explanation:
Lula's Budget per day = 45%
Cost spent on two meals = breakfast + lunch
= 21.93$
How much does Lula has for dinner = 45$ - 21.93$
= 23.07$