send me examples of coins related digit related and age related problems
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Step-by-step explanation:
Important Statements and Equations for "Problems based on Ages":
If the present age is y, then n times the present age = ny.
If the present age is x, then age n years later/hence = x + n.
If the present age is x, then age n years ago = x – n.
The ages in a ratio a: b will be ax and bx.
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Answer:
Coins related probems:
- Jane bought a pencil and received change for $3 in 20 coins, all nickels and quarters. How many of each kind are given?
- John received change worth $13. He received 10 more dimes than nickels and 22 more quarters than dimes. How many coins of each did he receive?
Age related problems:
- Five years ago, John’s age was half of the age he will be in 8 years. How old is he now?
- Ten years from now, Orlando will be three times older than he is today. What is his current age?
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