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valina [46]
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.
Mathematics
1 answer:
iren2701 [21]3 years ago
6 0
X+y+z=70
x=2y
z=2y-10
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