Question

A stack of boards is 21 inches high. Each board is 13/4 inches thick. How many boards are there?

Answer 1

Answer:

Hope it's helpful for you

Step-by-step explanation:

total height = 21 inches = H

height of one = 1 3/4 =1.75 inches = h

total board = H/h

= 21/1.75 = 12 So,

there are 12 boards.

#its Sayan ✌