A printer will produce 80 wedding invitations for $210. The price to produce 120 invitations is $290. The printer uses a linear function to determine the price for producing different amounts of invitations. How much will the printer charge to produce 60 invitations?

The price increases by $80 when the number of invitations increases by 40, so the rate is $2 per invitation. Using the 80-invitation price, the fixed portion is $210 − (80 × $2) = $50; for 60 invitations, the price is $50 + (60 × $2) = $170. The correct choice is $170.00.

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