Here’s and example of a **SMART MATH** problem for **PERCENTAGES.**

**Problem**

**Problem**

Every month M saves 1.67% of his salary of $6000. In how many months will M save $6000?

- 60 months
- 6 months
- 52 months
- 48 months
- 12 months

**The Usual Method**

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In a month M saves 1.67% of $6000. i.e. = $100.

Hence to save $6000, M will have to save for 60 months.

**(Ans: 1)**

*Estimated Time to arrive at the answer = 45 seconds.*

**Using Technique**

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Note that 1.67% = ( , ). Thus to save $6000, i.e 100% of the salary, M will have to save for 60 months ( , he saves 10% of the salary in 6 months, so for 100%, he will take 60 months).

**(Ans: 1)**

*Estimated Time to arrive at the answer = 15 seconds.*

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