Question

a stack of bricks is 3 1/2 feet high. if each brick is 1 3/4 inches high, how many bricks are in the stack?

Answer 1

The number of bricks= Total height of stack/ height of a single brick.
No. of bricks=3 1/2 ÷ 1 3/4
Convert the fractions into improper fractions;
No. of bricks= 7/2÷7/4
No. of bricks=
`(14)/(4) * (4)/(7)`
No. of bricks= 2