I believe the answer is “one solution”. I hope this helps :)
Loretta:
Average driving speed = 55 mph
Time = 4 hours
Distance traveled = 55*4 = 220 miles
Dad:
Average driving speed = 65 mph
Let x = hours driven
Distance traveled = 65x miles
The length of the trip is 610 miles, therefore
65x + 220 = 610
65x = 390
x = 6 hours
Answer: Loretta's dad drove for 6 hours.
Answer:
B) 504
Step-by-step explanation:
They should expect 30% of 40 out of every 300 of the 12,600, so ...
0.30 × 40/300 × 12,600 = 504
About 504 residents might be expected to join.
Answer:
a=1.015625
Step-by-step explanation:
Let's solve your equation step-by-step.
28a+43.75=12(a+5)
Answer:
-1/2
or -2/4
Step-by-step explanation:
they are the same
