Question

10 Dean started with 5 metersof yarn. He used 300millimeters of yarn each dayfor 5 days. How manymeters of yarn does Deanhave left?

Answer 1

Answer:

3.5 meters

First, let us convert 300 millimeters to meters. To do this, we need to divide the length value by 1000:

$\frac{300\text{ millimeters}}{1000\text{ }\frac{millimeters}{meters}}=0.3\text{ meters}$

Now, it is said that Dean uses 300 millimeters of yarn each day, which means that he uses 0.3 meters of yarn each day.

For 5 days, Dean used:

$5\times0.3=1.5\text{ meters of yarn}$

We will then subtract the length Dean used from the 5-meter yarn that he started with:

$5\text{ meters }-1.5\text{ meters }=3.5\text{ meters}$

Therefore, Dean has 3.5 meters of yarn left.