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Mathematics 18 Online
OpenStudy (anonymous):

14. Jacob weighs 64 pounds. Together, he and his sister weigh eight pounds more than two times the weight of his sister. What is the weight, w, of Jacob’s sister? (1 point) 64 + w = 2w + 8; 56 pounds 64 + w – 8 = 2w; 62 pounds 64 + w = 2w; 64 pounds 64 + w = 2w – 8; 72 pounds

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