Question

Your piggy bank starts with $20 and then you add $3 to it every day . Use an equation in slope intercept form to model the amount of money in the piggy bank to determine how much there is after 5 days.

Answer 1

9514 1404 393

Answer:

  y = 3x +20

  $35 after 5 days

Step-by-step explanation:

The "slope" is the amount added each day. The "intercept" is the initial amount in the bank. If y represents that amount and x represents the number of days money is added, then the slope-intercept equation is ...

  y = 3x +20

When x=5, the value is ...

  y = 3(5) +20 = 15+20

  y = 35 . . . . amount of dollars in the bank after 5 days