Answer:

Step-by-step explanation:

Distribute:


Combine all like terms:


Answer:
D
Step-by-step explanation:
Nuisance
12:8 can also be written as

To find the percent you have to do 12÷8 and that equals 1.5, then you have to do 1.5×100 and that equals 150. The ratio, 12:8 as a percent is 150%
Its just normal multiplication but you just need to add the variable