Think about the number which would give you 450 when you add 50 to it.
Think about the fifth number which would come when you start counting from 475.
Think of 806 as 800 add 6.
You can add both amounts to get the final answer.
Write three hundreds and five separately in figures than add them.
Make sure unit place digit is 5.
Calculate the total amount.
Read 49 as 40 and 9.
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