Question

Amanda score on the last algebra quiz was to 11 points higher than tims. the total of their two quizzes what's 165.what score did the each person receive?

Answer 1

A + T = 165

A= amanda's grade
T= tim's grade

A = T +11

substitute A for T + 11 and you get

T+ 11 +T = 165

combine like terms:

2T + 11 = 165

subtract 11 from both sides:

2T= 154

divide both sides by 2

T = 77 (Tim's grade)

A= 77 +11

so: A= 88 (Amanda's grade)

check answer:

88 + 77 = 165!

Hope this helps!