Question

Barack is solving a problem and his final units need to be in square inches. His current answer is 8 feet squared. What is the equivalent measurement in square inches

Answer 1

1152 in²

Explanation:

Barack can change the units using a suitable multiplier. It will have a numerator equal to its denominator, and will have units that cancel the square feet and give square inches:

8 ft² × ((12 in)/(1 ft))² = 8×12×12 in² = 1192 in²

_____

12 in = 1 ft . . . so numerator is equal to denominator