Question

9. In a camp, there is enough food for 6 days for 150
boys. 30 more boys arrived unexpectedly in the
camp. Then, for how many days will the food last? ​

Answer 1

Answer: approximately 7 days

Step-by-step explanation:

150 boys=6 day

1 boy=6/150

A.T.Q

If 30 more boys came

Then, 180 boys=6/150x180=7.2 approximately 7 days

Answer 2

After "5 days" will the food last.

Step-by-step explanation:

There is enough food for 6 days for 150

boys.

∴ 1 boy = 6 × 150 = 900 days

Then, 30 more boys arrived unexpectedly in the

camp = 150 + 30 = 180 boys

Let number of days be x.

∴ x × 180 = 900

⇒ x = $\dfrac{900}{180}$ = 5 days

Hence, after 5 days will the food last.