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## Homework Statement

"A race car driver must average 180 km/h for 4 laps to qualify for a race. Because of engine trouble, the car averages only 150 km/h over the first 2 laps. What speed must be maintained for the last 2 laps?"

## Homework Equations

v= d/t

## The Attempt at a Solution

i actually have no idea where to start with this