The ratio of girls to boys in class is 9 to 7 and there are 80 students in the class. How many girls are in the class? can you do it
Answers
Answered by
5
Given the ratio is 9 : 7
Let the no. of girls be 9x
And no. of boys be 7x
According to the question :
9x + 7x = 80
16x = 80
x = 80 / 16
x = 5
7x = 7 × 5 = 35
9x = 9 × 5 = 45
So no. of girls = 45
No. of boys = 35
Hope it helps you.
Let the no. of girls be 9x
And no. of boys be 7x
According to the question :
9x + 7x = 80
16x = 80
x = 80 / 16
x = 5
7x = 7 × 5 = 35
9x = 9 × 5 = 45
So no. of girls = 45
No. of boys = 35
Hope it helps you.
Answered by
3
9x +8x=80
17x=80
x=4.7 is approx 5
9x is girls
9 ×5=45
17x=80
x=4.7 is approx 5
9x is girls
9 ×5=45
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