Answer:$27.54
Step-by-step explanation:30 times 0.15 = 4.5
30 - 4.5 = 25.5
25.5 times 0.08 = 2.04
25.5 + 2.04 = 27. 54
2r² + 3s³ - r² + 4t² - r² = 3s³ + 4t²
<span>if s = -3 and t = 5
</span>3s³ + 4t² = 3 * (-3)³ + 4 * 5² = 3 * (-27) + 4 * 25 = -81 + 100 = 19
Answer: 19
Answer:
3 3/4 or 3.75 hours.
Step-by-step explanation:
If you need to travel 300 km, assuming you are going at the speed limit, you take the total amount and divide it by that.
300 / 80 = 3.75 hours
The answer is 80%..................