A truck heads north at a constant speed of

80 km/h. A car leaves 20 minutes later

heading north along the same road and

travelling at a constant speed of 90 km/h.

Writr an equation that could be used

to determine how much time in hours (t) the car

travels until it catches up to the truck?

Question

Mathematics

Isiah

26 May, 06:56

A truck heads north at a constant speed of

80 km/h. A car leaves 20 minutes later

heading north along the same road and

travelling at a constant speed of 90 km/h.

Writr an equation that could be used

to determine how much time in hours (t) the car

travels until it catches up to the truck?

+1

Answers (1)

Know the Answer?

Kamila Dennis · Answer 1

Equation of the travel of the truck: y = 80. x (x in hours)

equation of the travel of the car : y = 90 (x - 1/3)

when they meet: 80x = 90x - 30 = > 10x = 30 = > x = 3h

They'mm meet after 3 hours

A truck heads north at a constant speed of80 km/h. A car leaves 20 minutes laterheading north along the same road andtravelling at a constant speed of 90 km/h.Writr an equation that could be usedto determine how much time in hours (t) the cartravels until it catches up to the truck?

A truck heads north at a constant speed of

80 km/h. A car leaves 20 minutes later

heading north along the same road and

travelling at a constant speed of 90 km/h.

Writr an equation that could be used

to determine how much time in hours (t) the car

travels until it catches up to the truck?