x = number of questions
3y = points for a correct answer
-1x or -x = points for an incorrect answer
Adding up the correct and incorrect points/answers gives us the final score. We can solve to see how many questions were incorrect. (We are told 10 were correct)
3y + (-1x) = 20
3(10) + (-1x) = 20
30 - x = 20
10 = x
x = 10
So she got 10 correct and 10 incorrect, and there were 20 questions in all.
<span>First, let’s check for the given:
Shirts on the rack = 240</span>
Medium size shirts = 40% of 240
<span>With the following given, we can now solve for the total
number of shirts on the rack that are size medium.
So, in order to solve for the problem, we multiply 40% to 240:</span>
<span>The decimal equivalent of 40% is 0.4.
240 shirts * .4 = 96 shirts</span>
Therefore, out of 240 shirts on the rack, there are 96 shirts
on the rack that are size medium.
To add, the number or ratio that represents a fraction
of 100 is called a percentage.
Answer:
591.6 x 10^2
Step-by-step explanation:
It would be
15/4 < 4.3 < 43/8 < 5.5 < 61/6
