Question

paul bought a student discount card for the bus. the card allows him to buy daily bus passes for $1.50. after one month paul bought 15 passes and spent a total of $29.50. how much did he spend on the student discount card?

Answer 1

d= cost of discount card
  29.50 = d + 1.50(15)
  29.50 = d + 22.50
-22.50          -22.50
$7.00 = d
d = $7

Paul spent $7 dollars on the discount card.

Hope this helped :D.

Answer 2

He spent $22.5 on the student discount card.

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This question is solved using proportions.

• The cost of each card is of $1.50.
• Paul bought 15 passes, that is, 15 cards.

Considering that he bought 15 cards, each for $1.50, his spending was of:

$C = 15 \times 1.5 = 22.5$

He spent $22.5 on the student discount card.

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