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In an art class, 40% of the students used water colors for painting. Ten students in the art class used watercolors. How many students were there in the class? Explain. Choices: A) 30 B)25 C)20 D)15
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3 votes
In an art class, 40% of the students used water colors for painting. Ten students in the art class used watercolors. How many students were there in the class? Explain.

Choices:
A) 30
B)25
C)20
D)15

User Valentin Flachsel
by
6.1k points

2 Answers

5 votes
The answer is b because you have too turn 40% into a decimal which is .4 then divide 100 by .4. Next you have to move the decimal if the .4 to your right then divide 100 by 4 and get 25.
User Alphadog
by
6.0k points
4 votes
If 40% is 10 students then 80% would be 20 students and then 20% would be 5 students so the answer would be B
User Seeta
by
5.1k points
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