Math, asked by tayyabaarooj76, 3 months ago

the number of girls in class 15 the average score in test is 43 ,the average score of boys is 48 the average of all class is 45,how many boys are present in class

Answers

Answered by ajayveer1289

0

Answer:

10

Step-by-step explanation:

15×43=645

B×48=48B

645+48B=45B+675

B=10

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