Mr. sims is mixing cement to secure a mailbox post. the directions on the package require 5 cups of water for each pound of cement. mr. sims is mixing 3.5 pounds. how many cups of water will he need?

18 cups of water

Step-by-step explanation:

According to the directions, 1 pound of cement requires 5 cups of water. This is our conversion factor. We can find the cups of water required for 3.5 pounds of cement using proportions.

3.5 pound of cement × (5 cups of water / 1 pound of cement) = 17.5 cups of water ≈ 18 cups of water (rounding off to two significant figures)

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11-1 > 1-1+a

-12 > a

the answer is 40.

proof: