A problem states: "There are 7 more girls than boys in a class. There are 23 students in the class in all. How many girls are there in the class?"

What are the unknowns in this problem?

Select each correct answer.

1.the number of girls in the class

2.the number of boys in the class

(3.the number of students in the class)

Question

A problem states: "There are 7 more girls than boys in a class.  There are 23 students in the class in all.  How many girls are there in the class?"

What are the unknowns in this problem?

Select each correct answer.
	
1.the number of girls in the class

2.the number of boys in the class

(3.the number of students in the class)<--- am i right

waysamuel · Answer

the number of boys in the class is the unknown

tokyoqu33n · Answer

sooooo wait now u just confused me

tokyoqu33n · Answer

x.x can someone plzzz help me

tokyoqu33n · Answer

@sweetburger   can u help me i think is D and B but idk

sweetburger · Answer

$$23= (x+7)+x$$ x represents the number of boys. (x+7) represents the number of girls.
If you solve for x you can plug it into (x+7) and find the number of girls

tokyoqu33n · Answer

x=8

tokyoqu33n · Answer

@sweetburger

tokyoqu33n · Answer

ooooh  so the answere is only number 2 am i right?

tokyoqu33n · Answer

it was wrong  nvm i faild the test x.x

tokyoqu33n · Answer

http://prntscr.com/dj3s8d

sweetburger · Answer

1 and 2 were both unknown

tokyoqu33n · Answer

@sweetburger  sorry its kinda to late  it was a limited time test so i had to hurry and pick