exam Maths Puzzle Numerical Ability

An 800 g solution of acid and water contains 128 g of acid. What percent of the solution is acid?

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exam Other Question

k. What price would you sell the tile sets at to realize this profit (hint, use the demand equation from part a)? An oblique triangle has A = 68 degrees , B=79 degrees and b=8.0 ft. Determine the length of side c.