Answer:
$9
Explanation:
First, we need to find 70% of the original price of $30 using the following equation:

It means that Emma pays $21 less than the original price. So, she pays:
$30 - $21 = $9
Therefore, the answer is $9
Answer:
need help too
Step-by-step explanation:
Answer:
-2
Step-by-step explanation:
To answer this, just take the negative reciprocal of 1/2. We obtain -2.
4/11 because it is divisible by seven
Answer:
4. 9
5. 5x
Step-by-step explanation:
its an isocoles