baileycosby5512 baileycosby5512
  • 25-03-2022
  • Mathematics
contestada

Chloe has taken four tests this semester. Her scores on the three tests are 87, 78, and 61. If her test average is 78.5, what is her grade on her 4th test?

Respuesta :

isalep93 isalep93
  • 25-03-2022

n = last test

(87 + 78 + 61 + n) : 4 = 78,5

87 + 78 + 61 + n   = 78,5 x 4

n = 314 - 226

n = 88

Answer Link

Otras preguntas

help me please 2z²-6z+4=0
Is it reasonable to conclude that all mammals could have evolved from a common ancestor?
Which group supported Western expansion and economic development?
what is 4x-6y=12 and -2x+3y+-6 in slope intercept form
Why did Hitler launch Operation Barbarossa? to invade France following his annexation of the Sudetenland in 1939 to gain control of the rich resources that were
What does pie equal
How many neutrons does Uranium-238 have if it has 92 protons?
A number is chosen at random from 1 to 10. Find the probability of not selecting a multiple of 2 or a multiple of 3.
Foreign countries have continued to control formally colonized countries because they A. maintained military bases within each country. B. provided investment t
Which best completes the sentence? This pumpkin is larger than __________ . A. all the pumpkins in the pumpkin patch B. any pumpkin in the pumpkin patch C.