exam Maths Puzzle Numerical Ability

Have I rounded this correctly. I am supposed to round to the nearest tenth. The number is 75.982 I have 76.0. is this correct? This gets confusing for me and I thank you for your time and help.

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exam Other Question

A tire manufacturer wishes to investigate the thread life of its tires. A sample of 10 tires driven 50,000 miles revealed a sample mean of 0.32 inches of thread remaining with a s one number is equal to two times a second number. two time the first number plus two times the second number is 24. if you let x stand for the first number and y for the second, what are the two number.