Each week during the winter, Judy knits 12 hats. She gives one hat to each of her 14 cousins and donates the rest to a hospital.
Let w represent the number of weeks Judy knits and h represent the number of hats she donates.
Find the value of h when w=5.

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.