exam Maths Puzzle Numerical Ability

On the written portion of her driving test, Sara answered 84% of the questions correctly. If Sara answered 42 questions correctly, how many questions were on the driving test?

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square root of 8 times the square root of 8 Jesse wants to know how tall the tree he is standing next to is. Jesse is 6 ft. tall and casts a shadow that is 9 ft. The tree is casting a shadow that is 28 ft. How tall is the tree? Round to the nearest tenth, if necessary.