John got a 76, 68, and 83 on his first three test. What score does he need on his fourth test to achieve an 80 average?

Question

14-03-2018
Mathematics

contestada

John got a 76, 68, and 83 on his first three test. What score does he need on his fourth test to achieve an 80 average?

Respuesta :

Otras preguntas

choose a real or made-up example of a company, and describe at least three variable costs the company has. (1-3 sentences.

Complete combustion of 2.60 g of a hydrocarbon produced 8.46 g of co2 and 2.60 g of h2o. what is the empirical formula for the hydrocarbon?

Ashley drove 754 miles in 13 hours. At the same rate, how long would it take her to drive 522 miles?

Which of the following points is a situation to the following system of equations? X+y=1 3x-y=3 A.(3,0) B.(5,-1) C.(1,4) D.(1,0)

You to answer number 2

Which statements about the factors of the terms in the expression 12x+12xy-24y are true? Check all that apply. The factors common to 12x and 18xy are 1, 2, 3, 6

A 20kg cannonball is fired into a stationary 500kg boulder at on the edge of a 125m high cliff. If the cannonball remains in the boulder and together they land

What is the domain of the function represented by the graph

After mitosis, daughter cells contain the same amount of dna as in the original cell due to dna replication. a. True b. False

ramaaabdou ramaaabdou · Answer 1 · 2018-03-22T03:32:47+01:00

ramaaabdou ramaaabdou

22-03-2018

it's 93.
simple calculate it by:
(76+68+83+x)/4=80
then 73*5-(67+75+73+69)=x
where x here is the grade needed to reach an av. of 80. 4 is the number of tests.
*common answer*

Answer Link