Understanding and applying sequences

In January, Cory begins to save money for a video game and a TV he wants to buy in December. He starts with $20. Each month he plans to save 10% more than the previous month. How much money will he have to buy in December?

Suna had $150 000 in her bank account. The bank paid 4% interest at the end of each year. How much interest did she earn at the end of 1 year?

• $6000

• $1000

• $16000

• $20000

Each year the local country club sponsors a tennis

tournament. Play starts with 128 participants. During

each round, half of the players are eliminated. How many

players remain after 5 rounds?

• 640 players

• 4 players

• 64 players

• 128 players

Liz has put $3006 in a savings account that's growing at 5.56% a year. If she waits 30 years, how much will she have earned in INTEREST?

(Round your answer to the nearest cent. Do NOT insert commas or symbols)

You have inherited land that was purchased for $30,000 in 1960. The value of the land increased by approximately 5% per year. What is the approximate value of the land in the year 2011?

• $360,000

• $31,500

• $15,000

• $28,500

The local power company plans to raise rates to cover the increased cost of producing power. They determine the costs will increase by 4.2% per year for the next 10 years. If you paid a total of $1031.60 for power last year, what would you expect to pay for power over the next 10 years?

• $13,020.97

• $10,316.00

• $2,704.97

• $12,220.97

The sales of McDonald's for one year is $650,000. Their sales are increasing at a rate of 4% per year. What will their sales be in 5 years?

• $790,824.39

• $529,992.25

• $790,079.06

• $529,429.06

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• 9765

• 9006

• 5433

• 9766

You inherited land purchased for $30,000 in 1970. The value of the land increased by 5% each year. What would the value of the land be in 2021? (Write in terms of dollars and cents.)

Emilio borrows $1200 from a bank with 8% simple interest per year.  How much will he have to pay back total in 2 years?

• $150
• $192
• $1350
• $1392