ANSWERS: 1
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let x represent # of jack's lady bugs let y represent # of jill's lady bugs 2x + 7y = 100 x = y + 5 2(y + 5) + 7y = 100 2y + 10 + 7y = 100 9y = 90 y = 10 x = y + 5 x = 10 + 5 x = 15 .: Jack has 15 ladybugs and jill has 10
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