21.Suppose you have $120 to spend on CDs and downloaded songs. The price of a CD is $15 and the price of a downloaded song is $6

Use the line drawing tool to show the relationship between the number of CDs (on the horizontal axis) and downloaded songs (on the vertical axis) you can afford to buy. Label this line 'Budget'.

Carefully follow the instructions above, and only draw the required objects.

The slope of the line is ?

downloaded songs per CD. (Enter your response rounded to two places long dash

don't forget the minus sign.)

12.The following is a chart of sales for used cars at ACME Used Cars over the last 6 weeks:

week 1 week 2 week 3 week 4 week 5 week6

27 17 37 28 24 33

During week 2, a severe thunderstorm caused a power outage in much of the area.

As a result, between weeks 1 and 2, sales declined by ?%. (Enter your response rounded to one decimal place.)

During week 3, ACME Used Cars had the 'Sale of the Century' where all cars were marked down 10% in price.

As a result, between weeks 2 and 3, sales increased by ? %. (Enter your response rounded to one decimal place.)

14.David has $144 to spend on entertainment each month. David likes to buy CDs and go to the movies. Each CD David buys costs $12. Each movie ticket David buys costs $8. Each month, David spends as much of his entertainment budget as possible.

If David buys 12 movie tickets this month, he can purchase ? CDs this month. (Round your answer to the nearest whole number.)

If David buys 10 CDs this month, he can purchase ? movie tickets this month. (Round your answer to the nearest whole number.)

For the fist part my answer was 4 cds

and the sc part my answer was 2 movie

Is that correct? If not could you please help.

Thanks!