1 1/4 + 1 3/4 + 1 1/4 + 3/4 +1 1/2

13/2 or 6 1/2

Step-by-step explanation:

1 1/4 + 1 3/4 = 3

1 1/4 + 3/4= 2

2 + 3= 5

5+ 1 1/2 = 6 1/2

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it