Use the rule is/of, %/100
Answer: Choice C (a-7 is less than or equal to 5)
and
(a-7 is greater than or equal to -5)
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Explanation:
is the same as
We can use the rule that if
then
where k is any positive number
After we get
, we break it down into two pieces. The first piece is
while the second piece is
Flip the two sides of
to get
So we have
and
That's why
the answer is choice CSide Note: we must use the connector "and" instead of "or". Both parts of
and
need to be true, instead of just one part only. This is why we can rule out choice B due to the "or" connector.
Answer:
B. decrease of 12
Step-by-step explanation:
Number of people who left the store = 14
Number of people who entered the store = 10
Again,
Number of people who left the store = 13
Number of people who entered the store = 5
Total people who left the store = 14 + 13
= 27 people
Total people who entered the store = 10 + 5
= 15 people
Number of people remaining in the store = Total people who entered the store - Total people who left the store
= 15 - 27
= -12
This means there is a net decrease in the number of people in Carmen's Computer Store