Daniel and William have some marbles. Daniel finds that 2/5 of the number of marble 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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asked Feb 26, 2015 86.9k views

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

Mathematics
middle-school

Bcsta asked

by Bcsta

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W = 195
2/5D = 4/5W

2/5D = 4/5(195)
2/5D = 156
D = 390

Daniel has 390 marbles.

Vck answered Mar 4, 2015

by Vck

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