Question

Concrete blocks are 8in. high. if a 3/8-in. mortar joint is used, how high will a wal of 12 courses of concrete blocks be?

Answer 1

100.5 inches

Explanation:

If each course has 3/8 inch of concrete below it (including the bottom one)

8 in * 12 + 3/8 in * 12 = 100 1/2 inches