Just follow this operation.
Find the two perfectly squared factors the multiple to your number.
Take the square root of those perfect factors then multiple them.
Answer:
she has 4 quarters because 4 quarters equals $1 and she has 12 nickles because 12 × 5 =60
144 inches. 12 feet in one hour
12 inches per feet
12feet x 12 inches per foot= 144 inches