20 customers are eating at a local resturan. of the 20 customers 4 have enough to pay cash, 16 have enough to pay card and 3 have enough to pay cash and card, what is the probability that a customer has enough cash

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?

What 8/12+8/11 in another way than and improper fraction

Parallelogram rstu is a rhombus. m∠r = 120° what is m∠t = 120 (what is m∠rsu? )