Question

1 point
15.
70% of students in a school are boys, if the
number of girls is 240. Find the number of boys. *
O
a. 420
O b.560
O c. 630
O d. 480​

Answer 1

Step-by-step explanation:

b) 560

because 10% of students = 80 students

Answer 2

Answer:

is 560

Step-by-step explanation:

percentage of boys in a school = 70%

percentage of girls in a school =100-70

=30%

Given

Number of girls =240

Let the total number of students be x

30/100×x= 240

x=240x100/30=800 students

Number of boys =800-240

= 560

The number of boys = 560