Question

A monument is built out of toothpicks. There are 35 rows and each row has six more toothpicks than the row above. The top row has five toothpicks. How many toothpicks are on the bottom row? Using complete sentences, explain the procedure taken to answer this question.

Answer 1

substitute your values into the formula

Answer 2

would it be (5+6)35? @Sloth7

Answer 3

5 + (35 - 1) 6

Answer 4

giving me 209

Answer 5

correct

Answer 6

so what I could say is by plugging my variables into the sum formula it allowed me to accurately calculate the correct number of total toothpicks. @Sloth7

Answer 7

To find the number of toothpicks on the bottom row, use the equation a(sub-n) = a(sub-1) + (n - 1)d, where n is the number of rows, d is the difference, and 1 is the value of the first row

Answer 8

@Sloth7 and that was 209 correct. :)

Answer 9

ya

Answer 10

@Sloth7 Thank you