Answer:
21 weeks.
Step-by-step explanation:
To start, you have to get the pounds lost per week.
12/3=4
4 pounds lost per week.
Next, find out how many weeks it takes by solving this equation,
4x=84
Divide 84/4=21
Therefore, it took 21 weeks to lose 84 pounds.
Answer:
The answer to
2
3 x 5 = 75
Step-by-step explanation:
you do Exponents first PEMDAS
5 to the second power
5 x 5 = 25
25 x 3 = 75