Answer:

Step-by-step explanation:
An Improper Fraction has a top number larger than (or equal to) the bottom number.
To convert a whole number -12 into an improper fraction we can divide the whole number by one to turn it into a temporary fraction.

Also we could multiply and divide -12 by another number greater than one, for example:

There are several ways we can write -12 in the improper fraction form.
It is B. You divide 10 by 25 and multiply it by 100
Answer:

Step-by-step explanation:
Solve for
:

-Multiply both sides of the equation by the denominator
:


-Subtract both sides by
:


So, the value of
is
.
Answer:
Beatrice will accumulate $1230.72 at the end of the year.
Step-by-step explanation:
We can write:

for deposits
The first month would have only the deposit reflected in her balance, then, expanding some steps of the calculation would yield:

A geometric series is given by:

Translating our series to the short form:

plugin in the values for the 12 month gives:

Gave away 7 ⇒ -7
Bought 6 ⇒ + 6
Left with 13
If he did not buy the 6 cars ...
13 - 6 = 7
If he did not give the 7 cars away ...
7 + 7 = 14
He has 14 cars at first.
13 - 6