Does anyone know how to solve this? i don't understand the

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation.

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20