2x-15=3(x-15)
2x-15=3x-45
2x+30=3x
30=x
Let's check this work!
2(30)-15=3(30-15)
60-15=3(15)
45=45
She worked 45 hours each week
*the reason it is 2x-15 and not 15+2x is because "more than" is considered a "turn around word" meaning it is the opposite
Answer:
20%
Step-by-step explanation:
- Set up a proportion:
- Cross multiply, then divide: 280 × 100 = 28000, 28000 ÷ 1400 = 20
- So, 20% were satisfied with their car
I hope this helps!
B
Explanation: I guessed and it was right
Explanation:
Volume of rectangular prism: Length * Width * Height
Solve:
<u></u>
<u>1)</u>
Volume: 9 * 9 * 9 = 9³ = 729 cm³
<u>2)</u>
Volume: 7 * 3 * 2 = 42 m³
<u>3)</u>
Volume: 7 * 7 * 7 = 7³ = 343 cm³