Volume of cube = side^3
= 15^3
= 3375
Volume of pyramid= length x width x height/3
= 15 x 15 x 9
= 675
Total volume = 3375 + 675
= 4050 cubic feet
Divide the amount she invested by the total investment:
8600 / 54200 = 0.15867
Multiply the decimal by 100 to get the percentage:
0.15867 x 100 = 15.867%
Round to the nearest tenth = 15.9%
Answer:
9 feet
Step-by-step explanation:
