Ella is signing up for a gym membership with a one-time fee to join and then a monthly fee to remain a member. the monthly fee to be a member is $25 and the total cost of membership, including the joining fee, would be $200 for 4 months. write an equation for
c
(
t
)
,
c(t), the total cost of the gym membership over
t
t months.

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?

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