Agym teacher orders 42 tennis balls. each package contains 3 tennis balls. which of the following equations represents the number xx of packages?

If 25% of y is 30, what is 60% of y?

Which expression is equivalent to -5(3x - 6/7)

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