(a) Percentage of girls in the school.
(c)
There are 1400 students in a school out of which 780 are girls, find the,
Number of boys in the school.
(b) Percentage of boys in the school.

(a) Percentage of girls = 55

(b) Percentage of boys = 44

Step-by-step explanation:

To find percentage, we multiply the fraction out of the total by 100%.

Percentage of girls = × 100%

                                = 55

Percentage of boys = × 100%

                                 = 44

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.