# Elise walked a total of 18 kilometers by making 9 trips to school. After 10 trips to school, how many kilometers will Elise have walked in total?

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This is the same as the other answer. It just looks different.

Using ratio but in fraction format.

Multiply both sides by 10

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To find out how many kilometers Elise will have walked after 10 trips to school, we can use a proportional relationship since the distance walked is directly proportional to the number of trips made.

Given that Elise walked a total of 18 kilometers in 9 trips, we can set up a proportion:

(\frac{\text{Distance for 10 trips}}{\text{Number of trips}} = \frac{\text{Total distance}}{\text{Number of trips made}})

Substituting the given values, we have:

(\frac{\text{Distance for 10 trips}}{10} = \frac{18}{9})

To find the distance for 10 trips, we can cross multiply:

((\text{Distance for 10 trips}) \times 9 = 18 \times 10)

(\text{Distance for 10 trips} = \frac{18 \times 10}{9})

(\text{Distance for 10 trips} = \frac{180}{9})

(\text{Distance for 10 trips} = 20)

Therefore, after 10 trips to school, Elise will have walked a total of 20 kilometers.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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