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gogolik [260]
2 years ago
7

Mark and Don are planning to sell each of their marble collections at a garage sale. If Don has 5 more than 3 times the number o

f marbles Mark has, how many does each boy have to sell if the total number of marbles is 97? Mark has Number marbles to sell. Don has Number marbles to sell.
Mathematics
1 answer:
trasher [3.6K]2 years ago
3 0

Answer:

Mark has 23 marbles, Don has 74 marbles

Step-by-step explanation:

Mark has x marbles, Don has y marbles

y = 5 + 3x

x + y = 97

so

x + (5 + 3x) = 97

4x = 97 - 5 = 92

x = 92/4 = 23

y = 97 - 23 = 74

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