Question

There are 40 students in a class. The number of girls is
10 more than the number of boys. How many girls are
there in the class?
a. 15
b. 20
d. 30
C. 25
solution with explain​

Answer 1

Answer:

let boys be x

girls are x+10

x+x+10=40

2x=40-10

2x=30

x=30/2

x=15

boys are 15

girls are 15+10=25