Question

9. A car moving at a speed of 60 km/h reaches its destination in 2 hours. Find the time taken
if the car moves at a speed of 100 km/h.
10. By travelling at a speed of 48 km/h, a car can finish a certain journey in 10 hours. To
cover the same distance in 8 hours, what should be the speed of the car?
11. a camp had 40 soldiers and
food to last for about 33 days If 15 more soldiers join, then for how many days will the food last?
please help to me to solve it​

Answer 1

Step-by-step explanation:

11 is 55 multiply by 33 / 40 so answer os 50 days

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Answer 2

9.

Speed = 60 km/h

Time = 2 hrs

Distance = Speed * Time = 60 * 2 * km/h * h

= 120 km

Speed = 100 km/hr

Time Taken = Distance/Speed = 120/100 * km ÷ km/h = 1.2 hrs

10.

Speed = 48 km/h

Time = 10 hrs

Distance = Speed * Time = 48 * 10 * km/h * h

= 480 km

Time = 8 hrs

Speed = Distance/Time = 480/8 km/h = 60 km/h

11.

Food for 40 soldiers = 33 days

Food for one soldier = 33*40 = 1320 days

Food for 55 soldiers = 1320/55 days = 24 days

— The food will last for 24 days.