Question

To practice for a competition, Rachel swam 510 meters in the pool each day for 2 weeks. How many kilometers did Rachel swim in those 2 weeks?

Answer 1

We need to find the number of meters that Rachel swam in those two weeks.

First, since Juanita swam 510 meters each day for 2 weeks, and each week has 7 days, she swam 510 meters each day for 14 days.

Thus, the total distance, in kilometers, she swam in those two weeks is:

`510\cdot14=7140`

Thus, he swam 7140 m.

Now, we need to convert this distance to kilometers (km). We know that 1km = 0.001 m. Thus, we obtain:

`7140\text{ m}=7140\cdot0.001\text{ km}=7.14\text{ km}`

Answer:

Therefore, she swam 7.14 km.