Model 2
Two utility companies sell electricity in units of kilowatt-hours. The equation represents the cost from Company A. The table represents the cost from Company B.
Find the cost of purchasing 2750 kilowatt-hours of electricity from the least expensive company.
Company A
y = 0.18x
y = cost in dollars for
x kilowatt-hours purchased
Your grandmother gives you $20 for your birthday. You want to buy a new skateboard, but you need more money. Your neighbor Mrs. Smith gives you the same amount of money each week for walking her dog.
a) What is the weekly amount you are receiving from Mrs. Smith for walking the dog?Fred is helping to raise money for a local animal shelter. Tickets are being sold for a chance to win a new outdoor grill. Fred records the number of tickets he sells and keeps the monies in an envelope.
Fred placed a personal donation in the envelope before he started selling tickets. All of the tickets were sold at the same price.
a) Find the personal donation Fred placed in the envelope.
Choose:
