Question

Elaine cannot spend more than $90 each

month for her cell phone and text
messaging service. Her plan states that she
has to pay a set fee of $45 for phone
service and $0.05 per text message she
sends. Which inequality represents the
relationship between the number of text
messages she can send each month, t, and
the total amount she can spend for the cell
phone and text messaging service?

Answer 1

b = 90 >- 45 + 0.05t

Explanation:

She can't spend more than 90 and this the only equation that makes sense.