In a certain chemical, the ratio of zinc to copper is 3 to 14. A jar of the chemical contains 658 grams of copper. How many grams of zinc does it contain?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Add: (6x^2-5x+3) + (3x^3+7x-8) a. 9x^2+12x-5 b. 9x^2+2x+11 c. 9x^2+2x-5 d. 9x^2-2x+5