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On Main Street in Springfield, the first house is numbered 13, and each house number is 4 more than the house right before it. Jenny lives in the last house on the street. Her house number is 221. How many houses are on Main Street? Your answer

Respuesta :

Based on the information given and the computation of the arithmetic progression, the number of houses that are on Main Street is 53 houses.

  • First term = 13
  • Common difference = 4
  • Last term = 221

The formula to find the number of terms will be:

Tn = a + (n - 1)d

221 = 13 + (n - 1)4

221 = 13 + 4n - 4

Collect like terms

4n = 221 - 13 + 4

4n = 212

n = 212/4

n = 53

Therefore, the number of houses will be 53.

Learn more about the arithmetic progression on:

https://brainly.com/question/24205483

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