Question

Olivia bakes a rectangular cake that is 7 1⁄2 inches wide, 12 inches long and 2 1⁄4 inches high. If Judy frosts each side of the cake, what is the surface area of the cake she needs to frost?

Answer 1

answer: 133.875 inches

this is because you multiply 7 1/2 times 12, 7 1/2 times 2 1/4 and, 2 1/4 times 12 t get your answers if the surface area, 133.875 as a decimal, 1071/8 as a improper fraction, and 133 7/8 as a mixed fraction.