Question

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Answer 1

Step-by-step explanation:

First, let x represent this unknown number because we are using an equation to solve this. Note that 'of' means multiplication.

$\frac{1}{3} * 90 = \frac{2}{3} * x$

First we cross out to get;

30 = $\frac{2}{3}x$

Then we multiply both sides of the equation by 3

$3 * 30 = \frac{2}{3}x *3$

90 = 2x

Now since we want x to stand alone, we divide both sides by 2

$\frac{90}{2} = \frac{2x}{2}$

45 = x

So the answer is 45

Second Problem

First we find how far Ken jumps.

1 ÷ 5 = 0.2. If this is attached to the one it means Ken jumped 1.2 metres.

To find how much further Steve jumped, we just have to subtract Ken's distance from Steve's distance.

1.5 - 1.2 = 0.3 metres

This means Steve jumped 0.3 metres further than Ken.