Solve using the guess-and-test strategy.

The math club has 57 members who are in sixth or seventh grades. There are twice as many sixth graders as seventh graders.

How many sixth graders are in the club?

A.
38

B.
37

C.
19

D.
18

Question

Solve using the guess-and-test strategy. 
 
The math club has 57 members who are in sixth or seventh grades. There are twice as many sixth graders as seventh graders. 
 
How many sixth graders are in the club?
 
 A.
38
 
 B.
37
 
 C.
19
 
 D.
18

anonymous · Answer

MEDAL!!

phi · Answer

I can see how you can guess... pick one of the choices A through D as a guess.

But how are you supposed to test ?

john_es · Answer

To test you only have to find the seventh graders, that must satisfy the condition given in the problem. The only number is 38, because the sixth grader must double the seventh graders.

anonymous · Answer

answer is A

anonymous · Answer

there are 38 sixth graders, and 19 7th graders

anonymous · Answer

no giving answers!