Asked by DD
Out of 1200 pupils in a school, 900 are boys and the rest are girls. If 20% of the boys and 30% of the girls wear spectacles,find:
a.how many pupils in wear spectacles
b.what percent of the total number of pupils wear spectacles.
a.how many pupils in wear spectacles
b.what percent of the total number of pupils wear spectacles.
Answers
Answered by
Steve
(a) .20*900 + .30*300
(b) divide that by 1200
(b) divide that by 1200
Answered by
Aishwarya
Out of 200 pupils in a school,900 are boys and the rest are girls.if 20% of the boys and 30% are girls wear spectacles, find:. How many pupils in all wear spectacles
Answered by
Abhishek Bera
1050
Answered by
218 princess
A, is 270 and
B is 22.5%
B is 22.5%
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