RES Town Q and Town P were 119 km apart. Van drove from
Town Q to Town P at an average speed of 70 km/h. How
much sooner would he have arrived at Town P if he had
travelled at an average speed of 85 km/h instead?
min​

18 minutes earlier

Step-by-step explanation:

Given

Required

Determine how much sooner if traveled at speed 2 instead of speed 1

Speed is calculated as:

Make Time the subject

For Speed 1

For Speed 2

Calculate the difference

Convert to minutes

If traveled at 85km/h, the van will arrive 18 minutes earlier

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4