We have the following:

solving for x

The solution of x is equal to 28, therefore 12 is not a solution of the equation
Answer:
Step-by-step explanation:
There are 16 cups in a gallon
It will take her 8 weeks to have enough money for a bike. I made the equation 125+15x=245 and multiplied 15 by 8 to get exactly 245
40 goes into 32 0 times 40 goes into 321 8 times 40 times 8 equls 320 so 8r1