Question

What is an inequality that represents this sentence?

if seven times a number is decreased by three, the result is less than thirty.

Answer 1

7x - 3 < 30

Explanation:

We can put "seven times a number" as 7x since a number is unknown -->

now decreased is subraction so we have 7x - 3 -->

the result is less than thirty is that the difference must be less then 30.

so, 7x - 3 < 30.

Hope this helps!

Answer 2

7x-3<30

Explanation:

7 times a number = 7x

is decreased by 3 = -3

the result is less than 30 = <30