Question

If it takes 42 strokes to fill up 3/5 of a line of typing, how many more strokes will it take to complete the line?

Answer 1

28 strokes

Explanation:

The computation is shown below:

It is given that the 42 strokes are required to fill up the 3 by 5th

So for completing the line, the number of additional strokes required is

But before the total strokes required is

= 42 × 5 ÷ 3

= 70

This represent the total

so, the additional strokes is

= 70 - 42

= 28 strokes