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Daniel and William have some marbles. Daniel finds that 2/5 of the number of marbles he has is 4/5 the number of marbles William has. William has 195 marbles. How many marbles does Daniel have?
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Daniel and William have some marbles. Daniel finds that 2/5 of the number of marbles he has is 4/5 the number of marbles William has. William has 195 marbles. How many marbles does Daniel have?

User Adrian Sluyters
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195/5=39
39 is 1/5 of Willam's marbles.
39*4=156
156 is 4/5 of William's marbles.

2/5 x = 156
x=156*2/5
x=62,4. This is the number of Daniel's marbles.
User Milagro
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