The ratio of the number of boys and girls who participated in a examination is 4:3. The total percentage of candidates who passed the examination is 80 and the percentage of girls who passed is 90. The percentage of boys who passed is ?
Answers
Answered by
3
Answer:
Step-by-step explanation:
hey friend your answer is 72.50
Answered by
10
Answer:
72.5%
Step-by-step explanation:
total candidates = 4x + 3x = 7x
total passed = 80% of 7x
= 5.6x
girl passed = 90% of 3x
= 2.7x
boys passed = 5.6x - 2.7x
= 2.9x
% of boys passed
= 2.9x × 100/4x = 72.5%
Similar questions