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?
1 answer:
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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