A student received grades of 72, 75, and 78 on three tests. What must be her score in the next test for her to have an average grade of 80 for all four tests?

SPONSORED LINKS

- Analytic Geometry Problem Set
- Differential Equation: y' = 2(3x + y)^2 - 1
- Differential Equations: (6x-3y+2)dx - (2x-y-1)dy = 0
- analytic geometry
- Related Rates : Frustrum of a Cone given the radius and heigth
- Kinematics - Two particles release from same height ...
- How to calculate shearing force of the bolt?
- Integration by Substitution
- Flexure importance?
- advance mathematics