Grady, Sophia and Ella Zappone were going trick-or-treating together down a long road with houses only on the right side of the street. The addresses of the first three houses were 296 Boo Blvd, 300 Boo Blvd and 304 Boo Blvd, and the house numbers continued to increase by 4 down the entire road. The kids decided to take turns knocking on the doors of the houses, so that Grady knocked at house 296, Sophia knocked at house 300, Ella knocked at house 304, and then Grady started the sequence over at house 308. Grady will knock on the doors of a lot of houses. When Grady gets to the first house with a units digit of 2 and it is his turn to knock, what is the number of the house?

Question

Mathematics

Zoey Ayala

4 August, 11:19

Grady, Sophia and Ella Zappone were going trick-or-treating together down a long road with houses only on the right side of the street. The addresses of the first three houses were 296 Boo Blvd, 300 Boo Blvd and 304 Boo Blvd, and the house numbers continued to increase by 4 down the entire road. The kids decided to take turns knocking on the doors of the houses, so that Grady knocked at house 296, Sophia knocked at house 300, Ella knocked at house 304, and then Grady started the sequence over at house 308. Grady will knock on the doors of a lot of houses. When Grady gets to the first house with a units digit of 2 and it is his turn to knock, what is the number of the house?

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Answers (1)

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Mango · Answer 1

Answer: 332

Step-by-step explanation:

When Grady gets to the first house with a units digit of 2 and it is his turn to knock, what is the number of the house?

Since there were 3 kids taking turns add number 12 to the houses where Grady knocked on the doors. Thus we have: Grady começou a sequência na casa 308.

308 + 1 2 = 320

320 + 12 = 332 - digit of 2