$1,600 at 4.5 % for 48 months

What is the value of x when x + 7 = 21?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27