Daniel and Edwin had a total of 500 coins. After Daniel spent 3/7 of his coins and Edwin spent 7 coins, the number of coins Daniel and Edwin had left was in the ratio 3:2. (a) Find the number of coins Daniel had at first. (b) All of Daniel's coins were 20-cent coins. How much money did Daniel have in the end?

Daniel and Edwin had a total of 500 coins. After Daniel spent 3/7 of his coins and Edwin spent 7 coins, the number of coins Daniel and Edwin had left was in the ratio 3:2. (a) Find the number of coins Daniel had at first. (b) All of Daniel's coins were 20-cent coins. How much money did Daniel have in the end?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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