A bag contains purple marbles and blue marbles, 65 in total. The number of purple marbles is 5 more than 3 times the number of blue marbles. How many purple marbles

Question

Mathematics

Francis Richardson

13 December, 04:22

A bag contains purple marbles and blue marbles, 65 in total. The number of purple marbles is 5 more than 3 times the number of blue marbles. How many purple marbles

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Answers (1)

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Bronson Walls · Answer 1

Lets say there are x blue marbles.

Purple marbles = 5 + 3x

Blue marbles = x

Total = 65

5 + 3x + x = 65

5 + 4x = 65

4x = 65 - 5 = 60

x = 60/4 = 15

Blue marbles = 15

65 - 15 = 50

There are 50 purple marbles.