exam Maths Puzzle Numerical Ability

The chemical formula for sulfuric acid is h2so4. If the weight of the acid was 1470 grams, how much did the sulfur weight? (h : 1, s : 32, O 16)

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exam Other Question

Solve the system by graphing.
3x - y = 1
3x - y = 2 A cylindrical soup can is 4 inches tall and has a radius of 1 1/5inches. What is the area of a label that will completely cover the side of the can, with no overlap (not including the top and bottom)