The chess club has 72 members, 42 girls and 30 boys. what is the ratio of
girls to boys in the chess club?
o a. 3: 4
b. 5: 7
o c. 7: 5

C :7 : 5

Step-by-step explanation:

Girls - 42 : 72

boys - 30 : 72

You solve this by finding the greatest common factor of 42 and 30.

The greatest common factor happens to be 6.

So, since the unreduced ratio is 42 : 30, the reduced ratio will be 42/6 : 30/6, which is 7 : 5

why do wages differ across industries

step-by-step explanation :

micro economists are concerned with economics on an industry or individual firm basis.

macro economists are concerned with national and international level