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Bond [772]
2 years ago
11

There are 70 students in the school band. 40% of them are sixth graders, 20% are seventh graders, and the rest are eighth grader

s.
What percentage of the band members are eighth graders?
Mathematics
2 answers:
8090 [49]2 years ago
8 0

Answer:

40%

Step-by-step explanation:

40% of 70 is 28

20% of 70 is 14

so there are 28 8th graders 28 is 40% of 70

Also, #SPEEDRUN

Alenkinab [10]2 years ago
7 0

Answer:40%

Step-by-step explanation:

lets just forget the number 70 because it wont change anything in this story problem

there must be the value 100% which equals the 70 students

the problem told that 40% of them are sixth graders while 20% are seventh and the rest are eighth so

100-(40+20)=40

if you didnt get it here another way:

40%+20%=60% which is the percentage of seventh and sixth graders together

the rest of the 100% is the eighth so you should subtract the 60% from the 100% which is "40%"

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