Asked by Jenny
Greg is buying a bike on a payment plan. the equation y=20x+600 models the amount he has left to pay, where x is the number of weeks and y is the amount of money owed in dollars. Lin is also buying a bike on a payment plan. The bike costs $500. She will pay $25 each week. Which statement correctly compares Greg's function and Lin's function.
a) Lin's bike cost less than Greg's bike?
b) Lin's bike will be paid off after Greg's bike?
c) Lin is paying less money each week for the bike?
d) Lin will have more left to pay than Greg after 10 weeks?
Not sure on this one.
a) Lin's bike cost less than Greg's bike?
b) Lin's bike will be paid off after Greg's bike?
c) Lin is paying less money each week for the bike?
d) Lin will have more left to pay than Greg after 10 weeks?
Not sure on this one.
Answers
Answered by
Jenny
Ms. Sue can you please help me eliminate some of the options.
Answered by
Henry
25x = 500.
X = 20 Weeks to pay off the debt.
Even though my choice is "a", I don't understand Greg's Eq. Are you sure it is correct? The amount owed increases as x increases.
Could it be Y = 600-20x? If so, then Greg would pay off his debt in 30 weeks: Y = 600-20x = 0, X = 30 weeks.
X = 20 Weeks to pay off the debt.
Even though my choice is "a", I don't understand Greg's Eq. Are you sure it is correct? The amount owed increases as x increases.
Could it be Y = 600-20x? If so, then Greg would pay off his debt in 30 weeks: Y = 600-20x = 0, X = 30 weeks.
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