Write an expression to represent the difference by subtracting the amount that Cassandra spent from the amount that Byron spent. Then complete the steps to simplify the expression. (∣ ∣) - (∣ ∣) = 5c + 12.88 - ∣ ∣ - ∣ ∣ = (5c - ∣ ∣) + (∣ ∣ - 11.50) = ∣ ∣c + ∣ ∣ 3. What expression represents how much more money Byron spent than Cassandra?

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

step-by-step explanation:

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step-by-step explanation: