To manufacture an automobile requires painting, drying, and polishing. Epsilon Motor Company produces three types of cars, the Delta, the Beta, and the Sigma. Each Delta requires 16 hours for painting, 5 hours for drying, and 2 hours for polishing. A Beta requires 22 hours for painting, 7 hours for drying, and 3 hours for polishing, and
a Sigma requires 6 hours for painting, 1 hour for drying, and 5 hours for polishing. If the company has 278 hours for painting, 76 hours for drying, and 91 hours for
polishing per month, how many of each type of car are produced?
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