Sequence and Series Application

After knee surgery, your trainer tells you to return to your jogging program slowly. He suggests jogging for 12 minutes each day for the first week. Each week thereafter, he suggests that you increase that time by 6 minutes per day.

How many weeks will it be before you are jogging 60 minutes per day?

• 7 weeks

• 8 weeks

• 9 weeks

• 10 weeks

Tags

CCSS.HSF.BF.A.2

A theater has 60 seats in the first row, 68 seats in the second row, 76 seats in the third row, and so on in the same increasing pattern.

If the theater has 20 rows of seats, how many seats are in the 20th row of the theater?

• 172 seats

• 180 seats

• 188 seats

• 212 seats

Tags

CCSS.HSF.BF.A.2

A display of cans on a grocery shelf consists of 20 cans on the bottom, 18 cans in the next row, 16 cans in the next row and so on in an arithmetic sequence, until the top row has 4 cans.

How many rows are there on the display?

• 7 rows

• 8 rows

• 9 rows

• 10 rows

Tags

CCSS.HSF.BF.A.2

Each year a school manages to only use 90% of the paper they used the previous year. In 2003 they used 700 000 sheets of paper. How many sheets of paper did the school use in 2004 & 2005?

• 610 000 & 520 000 sheets

• 1.3 million & 2.52 million sheets

• 630 000 & 567 000 sheets

• 70 000 & 7000 sheets