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?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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