Let x = liters 20% solution to be added
then
.12(12) + .20x = .14(12+x)
.12(12) + .20x = .14(12+x)
1.44 + .20x = 1.68 + .14x
.20x = .24 + .14x
.06x = .24
x = 4 liters
Hope this helped!!
Answer:
x=-6
Step-by-step explanation:
7x-9x=6+6
-2x=12
x=-6
Yes, it depends on what kind of model
By the definition of a rectangle, JML and KLM are right angles.
<h3>How to explain the information?</h3>
From the information given, JKLM is a rectangle based on the definition as the opposite sides are equal.
Also, JML and KLM will be 90° since they're right angles. The opposite sides of a rectangle are congruent and equal.
Learn more about rectangles on:
brainly.com/question/25292087
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