The food is sufficient for 1200 soldiers for 60 days how long the food last for 1000 soldiers

It would last for 54 days.

Step-by-step explanation:

After 15 days 200 soldiers leaved.

Soldiers              Food for days

1200 ↓                 45

1000                 ↑ x (let)

Arrows show the opposite variation to each other

1200     x

1000 = 45

Or, x =  1200×45

               1000

                 = 54 days.

50*10 is greater

step-by-step explanation:

if you add the zero from 10 to 50, it will give you a bigger number.