Find the surface area of this rectangular pyramid.

48.5 square inches
55 square inches
31.75 square inches
48 square inches

the correct answer is you spend $55.78 more in a brand store that buy ing in a normal store.

step-by-step explanation:

brand = spend   $ 135.85 total

store = spend $80.07 total

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24

the answer is 62.8 cubic units