Question

the distance between two towns is 300 km two cars start from this towns and move towards each other the speed of one car is more than the other by 7 km per hour if the distance between the cars after 2 hours is 34 cm find the speed of the car

Answer 1

Distance between Two Towns=300 km

LET speed of one car=x km/h
Then speed of another car=(x+7)km/h

Distance=Speed× Time
Distance covered by one car in 2 hour
=2×x=2x km

Distance covered by other car in 2 hour
=2(x+7)=(2x+14) km

Distance Remain=34 km

300-[2x+(2x+14)]=34
300-[2x+2x+14]=34
300-2x-2x-14=34
300-4x-14=34
4x=300-34-14
4x=300-48
4x=252
x=252/4
x=63

Speed one car=63 km/h
Speed of another car=63+7=70 km/h

Answer 2

${\bold{\huge{\orange{\underline{answer:}}}}}$

${\bold{\large{\underline{step-by-step-explanation:}}}}$

$<b>let the speed of the car starting from town A be xkm/hr and the speed of another car be x+7km/hr after two hours, distance coverd by car starting from town A is x*2$

$2x + 2(x + 7) + 34 = 300 \\ \\ 2x + 2x + 14 + 34 = 300 \\ \\ 4x = 252 \\ \\ x = 63 \\ \\ x + 7 = 63 + 7 = 70 \: kmph$
$\mathbb{\bold{\huge{\boxed{\blue{thanks}}}}}$

$<b> please mark as brainliest$