Question

90% of the total students were present in the school.if the total number of students is 1200.how many students were absent

Answer 1

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1200*10/100
120 students are absent

Answer 2

Total number of students = 1200

⇒⇒ 100% = 1200

.

Percentage of students that were absent:

100 - 90% = 10%

.

Find 10% (student that were absent):

100% = 1200

1% = 1200 ÷ 100 = 12

10% = 12 x 10 = 120

.

Answer: 120 students were absent.