U forgot to put the question
D= cost of discount card
29.50 = d + 1.50(15)
29.50 = d + 22.50
<u>-22.50 -22.50
</u> $7.00 = d
<u /> d = $7
Paul spent $7 dollars on the discount card.
Hope this helped :D.
40 meses com um custo de 4030 reais por mes espero ter ajudado bjjs