Question

PRACTICE ACT MATH Q NEED HEL URGENT: So far, a student has earned the following scores on four 100-point tests this grading period: 65, 73, 81, and 82. What score must the student earn on the fifth and lat 100-point test of the grading period to earn an average test grade of 80 for the 5 tests?

Answer 1

@zepdrix @Nnesha @jim_thompson5910

Answer 2

i got you

Answer 3

so add up those scores and you get 301 right?

Answer 4

so 301/4 is your average of 75.25

Answer 5

yes

Answer 6

i know the answer i just need to know the process

Answer 7

then (301+x)/5 =80

Answer 8

then solve for x

Answer 9

cool?

Answer 10

how do I solve for X lol

Answer 11

5*80 then subtract 301 to get 99

Answer 12

oh ok thanks!!

Answer 13

no problem