The distance between a and B is 160 km, the speed of motorcycle is 45 km, the speed of truck is 35 km
How long does it take for the two cars to meet each other?
Let's meet in X hours
(45+35)X=16=
X = 2 A: we'll meet in two hours
A plane flies 680 kilometers per hour, 20 kilometers less than 7 times the speed of a car. How many kilometers does the car travel per hour? The solution of the equation
Set up a car to travel x kilometers per hour
7x-20=680
7x=680+20
7x=700
x=700÷7
x=100
Answer:
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