Math 543 HELP!!
posted by deadlove .
Randy had a sheep that started eating more and more as each day passed. On July 1,
Randy’s sheep ate 5 carrots. On July 2, Randy’s sheep ate 11 carrots. On July 3, the sheep ate 18 carrots. How many carrots will the hungry sheep eat on July 30th?

Math 543 HELP!! 
drwls
July 2: 5
July 3: 11
July 4: 18
July 5: 26
July 6: 35
July 7: 45
July n: 5 + 6 +.. + (n+3)
= 4(n1) + 1 + 2 +...+ (n1)
= 4(n1) + (n1)n/2
July 30 = 4*29 + 30*29/2 = 551 
Math 543 HELP!! 
Steve
Looks like you're one day off. On July 1 the sheep ate 5 carrots.
on July nth, the sheep eats n(n+9)/2 carrots.
On July 30, that's 30(39)/2 = 15*39 = 585 carrots
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