Mathematics, 11.12.2019 07:31 hannah1072

Dr. irvine saw 130 patients in one week. the ratio of kids to adults that he saw is 3 to 7. if k represents the number of kids and d represents the number of adults, which system of equations should be set up to find out how many kids dr. irvine saw during the week?

a. k+d=130
3k = 7d

b. 3k+7d=130
3k = 7d

c. k+d=130
7k = 3d

d. 3k+7d+130
7k = 3d

, will mark brainliest.

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