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german
4 years ago
10

A bag contains blue marbles and red marbles, 81 in total. The number of blue marbles is 3 more than 5 times the number of red ma

rbles. How many blue marbles are there?
Mathematics
1 answer:
Slav-nsk [51]4 years ago
7 0

Answer:

X : red marble

Y: blue marble

X+Y= 81 (•)

Y= 5X+3 (••)

>>> 6X+3= 81 >>>> x=13 and y = 68

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