Answer:
Step-by-step explanation:
<u>Twice the sum of a number and seven is three times the number:</u>
- 2(x + 7) = 3x
- 2x + 14 = 3x
- 3x - 2x = 14
- x = 14
What are the other measurements?
V = s³
v = (1.2s)³
v = 1.728s³
1.728 * 100% = 172.8% increase
Answer: 5
Step-by-step explanation: