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Answer:
15.
16. 10 ml of 20% saline and 40 ml of 10% saline
Step-by-step explanation:
A chemist takes x ml of 20% saline and y ml of 10% saline. In total, he takes
x + y ml that is 50 ml, so
There are ml of salt in x ml of 20% saline and
ml of salt in 10% saline. There are
ml of salt in 50 ml of 12% saline. Thus,
15. We get the system of two equations:
16. Solve this system. From the first equation:
Substitute it into the second equation:
The measure of the largest angle is 75 degrees.
<h3>What is a triangle? </h3>A triangle is a polygon with three sides and vertices. The sum of angles in a triangle is 180 degrees. Types of triangles include: right-angled triangle, isosceles triangle, equilateral triangle and scalene triangle.
<h3>What is the measure of the largest angle? </h3>The measure of the largest angle = (largest ratio / sum of ratios) x 180
10 / 24 x 180 = 75 degrees
Please find attached an image of a triangle. To learn more about a triangle, please check: brainly.com/question/9329354
