What percent is equivalent to 18/30

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

For the inequality |c| < |d| to be true, which of the following must be true?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?