Question

Gracie and Mark are having a

contest to see who can sell the most
cupcakes. For every 3 that Mark
sold, Gracie sold 4. If Gracie sold 4
more than Mark, how many total
cupcakes were sold?

Answer 1

Mark sold 12 cupcakes, meaning Gracie sold 16.

4 threes, and 4 fours.

Mark Gracie

O O O O O O O

O O O O O O O

O O O O O O O

O O O O O O O

Answer 2

Explanation:

m/g=3/4

m=3g/4, now we can express m in terms of g

g=4+m, using m found above in this equation gives you

g=4+(3g)/4

4g=16+3g

g=16, since m=3g/4

m=3(16)/4

m=48/4

m=12

So total cupcakes sold is 12+16=38.

38 cupcakes were sold.