55,081 views
28 votes
28 votes
A car and a truck left Washington, DC traveling in opposite directions. The car traveled 19 miles per hour faster than the truck, and at the end of 8 hours they were 1048 miles apart. What was the average speed of each vehicle?

100 POINTS

User Kathayatnk
by
2.8k points

2 Answers

17 votes
17 votes

Answer:

Step-by-step explanation:xmccc

User Paul Creasey
by
2.8k points
11 votes
11 votes
Truck speed be x
Car travel at x+19
They travel in opposite directions so the separation is (x+x+19) * no. Of the hours
1048 = (2x+19)*8
X= ((1048/8)-19)/2
=56

Truck speed is 56 miles per hour
Car speed is 56+19=75 miles per hour
User Malcolm McCaffery
by
3.5k points