Question

A car drives at a speed of 90km/h for 2 hours and 20 mins hpw far does the car drive

Answer 1

Answer:

Ans. 240 km

Step-by-step explanation:

Distance=Speed×Time

Here:

Speed=90km/h

Time=2h 20 min or '7/3' hours

Distance=90×7/3

=90/1×7/3

=210km

Note:To change min into hours divide by 60.

Therefore,

20min=20/60 hours

=1/3 hours

Now,Add :

= 2 + 1/3 h (Lcm = 3)

= 2/1*3/3 + 1/3 h

= 6/3 + 1/3

= 7/3

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