Book
Maths Puzzle
Percentage
A mixture of 10% disinfectant is to be made from 14% and 9% disinfectant solutions,how much of each solution should be used if 50 gallons of 10% solution are needed
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Book Other Question
The central angles of the sectors of a circle graph are x, x, 2x, and 6x. How many degrees are in the largest central angle.
If the area of a triangle is 125 m. and the base width equals 25 m. What is the height of the triangle.