Question

1. In a class 60% of the students are girls. If the total number of students is 30, what is the number of boys?
2.Emma scores 72 marks out of 80 in her English exam. Convert her marks into percent.

Answer 1

Answer:

This is your answer.

Hope it helps you

Answer 2

1)60% are girls, means rest 40% are boys.

2)To find the percentage of the marks, divide the marks obtained in the examination with the maximum marks and multiply the result with 100. Example 1: If 1156 is the total score obtained in the examination out of 1200 marks, then divide 1156 by 1200, and then multiply it by 100.

80/72

40/36

20/18

10/9

now multiply with 100

10/9×100

0 if 10 and 0 of 100 will be canceled

remaining 1/9×10

9×10

=90

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