Does the question tell you how many sandwitches and cookies a basket can hold?
Answer:
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1200 (1+.8 * 30/12) = 1740.00
1740.00 - 1200 = $540
A = s^2
A' = 2s*s'
When the area is 36 cm^2, the side (s) is 6 cm. The area is increasing at the rate
A' = 2(6 cm)*(6 cm/s) = 72 cm^2/s
