amayarayne5
28.06.2019 •
Mathematics
Thirty-six of the students in the school choir like to sing solos. these 36 students make up 24% of the choir. how many students are in the choir?
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Ответ:
150
Step-by-step explanation:
We can write a proportion to find the total amount in the choir using the information given. A proportion is two equivalent ratios set equal to each other.
We will cross multiply the numerator of one ratio with denominator of the other. And then solve for y.
24y=100(36)
24y=3600
y=150.
There are 150 students in the choir.
Ответ:
B) area: 135 yd²; perimeter: 225 yd