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dezoksy [38]
3 years ago
15

What is the percent decrease from 60 to 39?

Mathematics
2 answers:
IrinaK [193]3 years ago
7 0
X - the percent decrease

60-60x=39 \ \ \ |-60 \\
-60x=-21 \ \ \ |\div (-60) \\
x=\frac{-21}{-60} \\ \Downarrow \\ x=\frac{-21}{-60}=\frac{-21 \div (-3)}{-60 \div (-3)}=\frac{7}{20}=\frac{7 \times 5}{20 \times 5}=\frac{35}{100}=35\%

It's a 35% decrease.
Dmitriy789 [7]3 years ago
6 0
The percent decrease from 60 to 39 is 35%
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Answer:

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As we know:

Total number of students on the A honor roll = 360

We are asked to calculate, number of students from 8th grade on the A honor  roll.

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Mathematical Expression:

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2 years ago
How do you do this??
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