Answer:
63 mph
Step-by-step explanation:
<u>Given:</u>
- Trip duration = 12 hours
- First half duration = 7 hours
- First half speed = 45 mph
<u>To find:</u>
<u>Solution:</u>
- One way distance = 7*45 = 315 miles
- Time on return = 12 - 7 = 5 hours
- Average speed on return trip= 315 / 5 = 63 mph
Answer:
$110.78
Step-by-step explanation:
$76.40 × 45%
$34.38
$76.40 + $34.38
$110.78
14 doghouses he can paint
2/3 left over