What does n equal? 4=-0.8n

Jeff brought cookies to school for his birthday. He divided them equally among his 24 classmates. If every classmate got 3 cookies, how many did he bring to school?

Sals book is 52 pages. Sal already read 18 pages. He plans to read 10 pages each day until he finishes the book. Estimate how many days it will take sal to finish reading the book

Tina is making 5 batches of cookies for her friends. Each batch calls for 2/3 cup of oatmeal. How many cups of oatmeal will she use?

17. Of the following numbers, which one is prime: 14, 13, 21, 33? A. 14 B. 33 c. 21 D. 13

Jared made 12 3/4 cups of snack mix for cups of snack mix for a party. His guests are 2/3 of the mic. How much snack mix did his guests eat. a. 4 5/12 b. 4 1/2 c. 8 1/2 d 12 5/7

The two graphs shown below detail the results of two independent response polls studying favorite movie genres. Which genre had the same number of votes in each study? a. action b. horror c. mystery d. not enough information

Monica has saved $735 for a new guitar and lessons. her guitar costs $475, and guitar lessons are $25 per hour. determine how many hours of lessons she can afford.

If you practice a musical instrument each day doe 2/3 of an hour, how many hours of practice will you get in each week?

Reduce each ratio to its lowest form 2:16 and 14:36

4/10:2/3 how do I do this?