Tyler High School has a total of 101 boys and girls who play sports. If the number of boys is 8 more than twice the number of girls, how many girls play sports at this high school?

a. 23
b. 31
c. 70
d. 80

Question

Tyler High School has a total of 101 boys and girls who play sports. If the number of boys is 8 more than twice the number of girls, how many girls play sports at this high school?

	 a. 23	
	 b. 31	
	 c. 70	
	 d. 80

igreen · Answer

If 23 girls:

23 $\times$ 2 = 46

46 + 8 = 54

54 + 23 = 77.

That's wrong.

If 31 girls:

31 $\times$ 2 = 62

62 + 8 = 70.

70 + 31 = 101.

So the answer is 31.

anonymous · Answer

ok thanks!

yanasidlinskiy · Answer

By the way, It is a substitution method:D