SOLUTION: Groups of campers were going to an island. On the first day 10 went over and 2 came back. On the second day, 12 went over and 3 came back. If this pattern continues, how many would

Question 322649: Groups of campers were going to an island. On the first day 10 went over and 2 came back. On the second day, 12 went over and 3 came back. If this pattern continues, how many would be on the island at the end of a week?
Answer by CharlesG2(834) (Show Source): You can put this solution on YOUR website!
Groups of campers were going to an island. On the first day 10 went over and 2 came back. On the second day, 12 went over and 3 came back. If this pattern continues, how many would be on the island at the end of a week?
day 1: 10 over, 2 back --> 8 on island
day 2: 12 over, 3 back --> 8 + 9 = 17 on island
day 3: 14 over, 4 back --> 17 + 10 = 27 on island
day 4: 16 over, 5 back --> 27 + 11 = 38 on island
day 5: 18 over, 6 back --> 38 + 12 = 50 on island
day 6: 20 over, 7 back --> 50 + 13 = 63 on island
day 7: 22 over, 8 back --> 63 + 14 = 77 on island
77 campers on island at end of the week

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