Aladdin has 15 gold coins in his magic bag. The Genie tells him that for every 100 gold coins he has in his magic bag, he will get 5 extra gold coins every year.
How many years later will Aladdin have 30 gold coins in his bag?
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Step-by-step explanation:
Total coins in bag = 15
Increment of coins = 5
coins per 100 coin in one year
Years need to increase the coin to 30 in the bag = ?
Solution:
The increment rate is 5%, so the increment per year for 15 coins = 15 * 5/100
= 0.75 coins.
Aladdin needs 15 more coin to have 30 coins in bag,
1 year = 0.75 coin
1/0.75 year = 1 coin.
15/0.75 year = 15 coins.
20 years = 15 coins.
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