1.

If 10x Coins Are Added To The Number Of Original Coins He Has (5y + 1) Times More Coins. Find Out How Many Coins He Had Originally In Terms Of X And Y?

Answer»

2X / y Explanation:

Let’s take `z` as the ORIGINAL NUMBER of coins.

We KNOW that 10X + z = (5y + 1) z 

i.e.10x + z = 5yz + z 10x/5y = z z = 2x/y.

2x / y Explanation:

Let’s take `z` as the original number of coins.

We know that 10x + z = (5y + 1) z 

i.e.10x + z = 5yz + z 10x/5y = z z = 2x/y.



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