4. Jessie has been working part time for three weeks. He earned $50.00 the first week,
$60.00 the second week, and $58.00 the third week. How much must he earn the
fourth week to average $55.00 per week for the first 4 weeks?
Jessie must earn $
on his fourth week of work.

An equation where variables are used to represent known values—function notation true or false

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120