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17 November, 23:57

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Estimate 49% of 162. Use mental math to calculate 49% of 162.

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  1. 18 November, 03:55
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    79.38

    Step-by-step explanation:

    We need to calculate 49% of 162 using Mental Math. 49% is 1% less than 50%.

    1% in decimal form can be written as 0.01 and in fraction form can be written as 1/100.

    Therefore, 1% of 162 = 0.01 x 162 = 1.62

    50% is equivalent to half or 1/2.

    Therefore, 50% of 162 = 81

    49% = 50% - 1%

    49% of 162 = (50% - 1%) of 162

    49% of 162 = 50% of 162 - 1% of 162

    Using the values we calculated above, we can write:

    49% of 162 = 81 - 1.62

    49% of 162 = 81.00 - 1.62 = 79.38
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