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TEA [102]
3 years ago
9

Grogg skips count by 5 starting at x. The sum of the first 5 numbers he says is 65. What is the value of x?

Mathematics
1 answer:
Over [174]3 years ago
3 0

Answer: 11

Step-by-step explanation:

Let the 5 numbers be x,x+1,x+2,x+3 and x+4.

Therefore,

x + x+1 + x+2 + x+3 + x+4 = 65

5x + 10 = 65

5x = 65 - 10

5x = 55

x = 55/5

x = 11

Therefore, the 5 numbers are 11, 12, 13, 14 and 15.

The first number is 11

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Gilda walks to the train station. If she walks at the rate of 3 mph, she misses her train by 7 minutes. However, if she walks at
lorasvet [3.4K]
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Read 2 more answers
How many ways can 100 be written as the sum of distinct integers from the set {1, 2,..., 15}?
konstantin123 [22]

Answer:

48 ways

Step-by-step explanation:

Let me take a guess

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So every 20 has a corresponding 100

I wish I got it right, otherwise report it.

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