Some of the many possible answers can be..
3.3
2.2
0.5
Answer: You will save $228 dollars after 12 weeks
Step-by-step explanation:

so, the interest earned then will be A - 3500.
Answer:
7
Step-by-step explanation:
5x-x=28 The dad is 5 times as old and the difference in their ages is 28years.
4x=28 Simplify and divide.
x=7