Warehouse Club Membership Membership warehouse clubs offer shoppers low prices, along with rewards of cash back on club purchases. If the yearly fee for a warehouse club membership is $100 and the reward rate is 2% on club purchases for the year, then the linear equation y = 100 - 0.02x models the actual yearly cost of the membership y, in dollars. Here x represents the yearly amount of club purchases, also in dollars.
(a) Determine the actual yearly cost of the membership if club purchases for the year are $2400.
(b) What amount of club purchases would reduce the actual yearly cost of the membership to $50?
(c) How much would a member have to spend in yearly club purchases to reduce the yearly membership cost to $0?
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