It takes Lacey 3 hours to knit a stocking cap and 5 hours to knit a pair of mittens. She has at most 20 hours of spare time in a week and knits at least one pair of mittens each week. Let x stand for the number of stocking caps and let y stand for the number of pairs of mittens. Write a system of linear inequalities that models the number of stocking caps and pairs of mittens that Lacey can knit in a week. Graph the solution.
A. 5x+3y≤1x≤1
B. 3x+5y≤20y≥1
C. 3x+5y≥20y≥1
D. 3x+5y≤20x≥1
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