4 / 0.80 = 12 / x...cross multiply
4x = 0.80 * 12
4x = 9.6
x = 9.6 / 4
x = 2.4.....12 apples cost $ 2.40
3:1, 6:2, 9:3, 12:4, 15:5, and it just keeps going!
Answer:
so if you have 27 multiply by 1 you get 27 because everything u multiply by one will have no change.
Answer:
2142 inches
Step-by-step explanation:
8.5 x 21
178.5 x 12
