Question

a garrison of 200 has a provison of 45 days.if 50 more men join the garrison then find the number of days the food will last?

Answer 1

It is an instance of inverse variation
200men = 45days
250 men = x days
200× 45 = 250 × x
200 × 45/250=x
36 = x
therefore 36 days the food will last
$.....$