Step-by-step explanation:
All need to buy all the type of toys in the store
Answer:
The ratio of boys to girls to 5:7
Let the number of boys be 5x
Let the number of girls be 7x
5x = 30
x = 6
Now just plug in 6 for the x in 7x
and number of girls 7 x 6 = 42
Answer:
E is equal to 20 and F is equal to 50. 20(E)+50(F)=70
I think that the answer is D