Answer:
20%
Step-by-step explanation:
The increase is ...
$90 -75 = $15
As a percentage of the original price, that is ...
$15/$75 × 100% = 0.20×100% = 20%
The increase was 20%.
Answer:(A) Determine the Volume Function
Each bag has 15 cookies and they bought 6 bags. 15 x 6 = 90. However, they ten ate 26 cookies. 90 - 26 = 64. They have 64 cookies left.
<em><u>The required average on next two tests are:</u></em>
<em><u>Solution:</u></em>
An A grade will be given to students having at least 450 total test points
Let p represent her present test point total, and t represent the necessary average on the next two tests
There are two more tests to take before the semester is over
Therefore,
A grade is given to students having at least 450 total test points
"at least" means greater than or equal to
So we have used greater than or equal to symbol
Solve the inequality for "t"
Thus the required average on next two tests are: