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2 years ago

8

How many toothpicks are needed to build the tree on day 100?

2 answers:

Masja [62]2 years ago

8 0

Answer:

100= 4 + 3 (100-1)

4+3 (99)

4 + 297 is 301

Step-by-step explanation:

The first row starts with 4 toothpicks, and they increase by +3 in each row. The first tree is already accounted for which makes the 4 + 3, and why I have 100-1. The teacher said the answer was correct but I doubted the equation. Can you tell me if this is correct?

Mariana [72]2 years ago

4 0

Answer:

100 x 4 = 400 - 91 = 309

Step-by-step explanation:

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