Answer:
A 6000 cm^3
Step-by-step explanation:
Bottom rectangular prism volume = 15 x 20 x 10 = 3000 cm^3
Top prism = 10 x 20 x 15 = 3000 cm^3
Summed = 6000 cm^3
A 6000
15x20 = 300
300 x 10
since theres two rectangles with the same side lengths
3000 x 2
6000
38
hope it helps
The answer is 17 years
4c + 6a < = 120 ...4(20) + 6(6) = 116 <== correct