exam
Maths Puzzle
Numerical Ability
How many grams of gold alloy that costs $4 per gram must be mixed with thirty grams of a gold alloy that costs $7 per gram to make an alloy that costs $5 per gram?
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exam Other Question
Solve 4x^2=13x+12
One leg of a right triangle is 2 ft longer than the shorter side. If the
length of the hypotenuse is 18 ft, how long is each leg?