64 feet squared because 4 cubes
its odd you're in high school and you're asking this but its 9
84 blue marbles.
Steps:
1) Use the 3:7 ratio
2) Since there are 36 red marbles, you should know to multiply the ratio by 12.
3) Multiply 7 by 12 (7x12=84)
Answer:
1 basket = 24 apples
24 × 18 = 432 apples
(use cross multiplication method)
1 apple = 15 cents
432 = x

cents