Question

A number decreased by fifteen is less than two.

Answer 1

Let us assume number of n.

The number is decreased by 15.

Decreasing by 15 means, we need to subtract 15 from that number.

So, it would be come n-15.

Now, it is said that the number would become less than 2.

So, we need to setup an inequality:

n-15 is less than 2.

n-15 < 2  : required inequality .

Adding 15 on both sides, we get

n-15+15 < 2+15

n < 17.

So, we could say the number would be less than 17.