Question

There are 158 birds on the endangered species list in some year. this is 16 more than twice the number of reptiles on the list. ow many reptiles were on the endangered species list in this year?

Answer 1

Let the number of reptiles on endangered list be 'x'

2x + 16=158

2x=158-16

2x=142

x=71

So there are 71 reptiles on the endangered list