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3 years ago

14

There were three quizzes for the week. The first quiz was worth twice as much as the second quiz. The third quiz was 10 points l

ess than the second quiz. The total points for the quizzes that week were 70 points. How much was each quiz worth.

1 answer:

iren2701 [21]3 years ago

6 0

X+y+z=70
x=2y
z=2y-10

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