Answer:
100000
Step-by-step explanation:
Answer:
You just need to demonstrate that the expression is not equivalent. To do that, we just need to evaluate the expression with a specific number.

For
, we have

Notice that the answer is true because 2 is not equivalent to 5.
Therefore, the expression is actually non-equivalent.
To find X, the answer would be 2
Answer:
Rex earns $250 in interest after 2 years.
Step-by-step explanation:
Convert into like fractions -->
1/3 = 7/21 4/7 = 12/21
7+12 = 19
19/21 is spent therefore he has 2/21 left