If you are setting it up as a proportion then you would muiltiply the 12 and x to get 12x. Then muiltiply the 80 and 1 to get 80. So 12x=80. Divide the 12 to get your final answer
Answer:
4
Step-by-step explanation:
÷ 
(20-4) ÷ 4
16 ÷ 4=4
Answer:
B
Step-by-step explanation:
dababy
x menos 11 menor que 7. .............................