Geometric Series — Test Answers

In January, Desmond begins saving $25 per month for a used car. Each month, he is able to save $5 more than the previous month. After how many months will Desmond first have enough money to purchase a $3,000 used car?

Which of the following represents the value of the series below?

What is the value of the arithmetic series below?

Each year, the number of students taught by Mr. Wright increases by 2. The first year, he taught 18 students. The total number of students taught after 25 years can be represented using the expression . How many students has Mr. Wright taught in 25 years?

The manager of a store is stacking boxes for a display. There are 18 boxes on the bottom row. Each successive row has one less box than the previous row. The expression represents the total number of boxes in the display for the first 15 rows. How many boxes are in the display?

Sasha sets a goal to read 5 minutes longer than each previous day for 30 days. On the first day, Sasha reads for 20 minutes. The expression represents the total number of minutes Sasha reads during the 30 days. How many total minutes does she read?

For a fund-raiser, Anthony earns $5 for the first mile he runs, an additional $7 for the second mile, an additional $9 for the third mile, and so on. The expression represents the total amount of money Anthony earns if he runs 10 miles. How much does Anthony earn if he runs 10 miles?

What is the expanded form of the series represented below?

Which expression represents the value of the series below?3 + 7 + 11 + 15 + ... + 1,671

Which of the following represents the sum of the series below?4 + 7 + 10 + 13 + 16 + 19 + 22 + 25 + 28 + 31 + 34 + 37 + 40