Jimmy L. answered • 10/01/14

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Whenever you see the word "algebraically," your mind should think "variables."

She only can spend $480, so the total costs will

**equal**$480.Each train ride is $4, but the number of train rides each month could

**vary**.Each car ride is $3, but he number of car rides each month could

**vary**.So, 4t + 3c = 480 where t is train rides and c is car rides.

Or, you could write 4x +3y = 480 where x is train rides and y is car rides. Whatever makes more sense to you!