Create your own real world word problem using a variable and equation. then solve and check ( i need i don't know how to do a real life problem) ( don't forget to check how you did it)

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

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 is the area of the shaded sector?