Question

7. A herd of antelope is drinking at a waterhole. After a while 68 more antelope

join them. There are now 189 antelope at the waterhole. How many antelope
were there to start with? Show all your calculations,​

Answer 1

121 antelope were there to start with.

Explanation:

Initially, there were x antelope.

After a while 68 more antelope join them. There are now 189 antelope at the waterhole.

This means that:

x + 68 = 189

x = 189 - 68

x = 121

121 antelope were there to start with.