Question 39

How much would one need to add to the difference of 5.42 and 3.56 to get 10?

Solution

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Let x be the number to be added.

$$5.42-3.56=1.86$$

So x has to be added to 2.86 to get 10

$$x+1.86=10$$

$$x=8.14$$

Option A is correct.

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