Question

The soldiers in a military camp had enough food
for 30 days. Ten days later, 50 new soldiers arrived to
that camp. So they were able to use the remaining
food for 16 days. Then find, how many soldiers were
there in the beginning?​

Answer 1

Answer:

soldiers. Days

x .. 30

x. . 20

x+50. 16

(x/x+50)20 = 16

.16x +800 =20x

4x=800

x=200

in the beginning 2oo soldiers'