Question

In a 500 metres race, A bets B by 50 metres or 8 seconds .find A's time over the course.​

Answer 1

Answer:

500÷50= 10

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Answer 2

Step-by-step explanation:

a speed is x m/s

b speed is y m/s

a ruched in z sec

Then xz=y(z+8)...1 eq

xz=yz+50...2 eq

{note xz=500=>Z=500/x}

yz+8y=yz+50

y=50/8

and 500=yz+50

yz=450

z=450*8/50

500/X=9*8

X=500/72

X=6.94 m/s