Question

Eric has a gift card to his favorite restaurant. Every Tuesday he has the same meal at the restaurant. This table shows the balance of money in dollars left on Eric’s gift card at different times. Time (weeks) 2, 4 ,6 ,8 Balance ($) 125, 100, 75, 50 What is the equation that represents Eric’s gift card balance, where x represents the time and y represents the balance?

Answer 1

 150-(12.5*x). x is the week. I hope this helped!

Answer 2

Y-100= -12.5 (x-4) hope this helps :)