Register
If a Class has total number of 30 students and 20% play the piano, 30% play the drums 10%play the violin and 40% play guitar how many students play the drums?
430,056 views
38 votes
38 votes
If a Class has total number of 30 students and 20% play the piano, 30% play the drums 10%play the violin and 40% play guitar how many students play the drums?

User Louis Go
by
2.3k points

2 Answers

21 votes
21 votes

Answer:

9

Explanation:

(% of drums÷100%) x 30

(30÷100) x 30

0.3 x 9

9

User Mike Bannister
by
3.1k points
12 votes
12 votes
30 * 0.20 = 6
30 * 0.30 = 9
30 * 0.10 = 3
30 * 0.40 = 12

9 students play the drums
User BastanteCaro
by
2.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

Can anybody tell me what’s going on here?
Granola costs $1.76 per pound. Write and solve an equation to determine the number of pounds p of granola that can be purchased with $7.04. The equation is: The value of x is
Evalute 8a -1+0.5b when a =1/4 and b= 10 how dose this work i need help..
PLZ needed now plz URGENT!
HELP PLEASE, I NEED THE ANSWER QUICKLY
Link Copied!