Your answer would be, C 5/45 and 4/36. In simplified form they both equal 1/9, meaning they are a proportion.
To find the number of CD on sale, we can set an equation.
Let y be the number if CD.
As she bought 40%, the amount she bought= 40%y
The equation:
40%y = 80
0.4y = 80
y = 80÷0.4
y=320
Therefore there were originally 320 CDs.
Hope it helps!
The answer is 0.3 cause when you subtract all of it you can get it
All the sides are 20 cm resulting in the perimeter being 80
Answer:
Step-by-step explanation:
well its 4.5-5.25= -0.75
