scott511234 scott511234
  • 26-03-2015
  • Mathematics
contestada

Leon has two test scores of 65 and 84 he wants to have an average of at least 80 which expression represents the score that he needs on his next test to have an average of at least an 80.

Respuesta :

daniel2019360
daniel2019360 daniel2019360
  • 26-03-2015
(65+84+x)/3≥80
(149+x)/3≥80
149+x≥240
x≥91

Leon needs to score at least 91 at his next test
Answer Link

Otras preguntas

what is the difference between dividing 16 by 2 and finding the square root of 16
If4 times the reciprocal of a number is 3 more than 5/2 times the reciprocal of that number find the number Show your work
What is the simplest form for the product 3/5 •25/36 is?
what is the difference between dividing 16 by 2 and finding the square root of 16
what events happened beforeloyalists left boston and philadelphia?
What is the simplest form for the product 3/5 •25/36 is?
If4 times the reciprocal of a number is 3 more than 5/2 times the reciprocal of that number find the number Show your work
What is the simplest form for the product 3/5 •25/36 is?
what is 4 over 9 minus 1 over 12 equal simplified?
The equation s x  2 5 can be used to estimate the speed, s, of a car in miles per hour, given the length in feet, x, of the tire marks it leaves on the ground.