book Maths Puzzle Numerical Ability

a plane flying the 3458-mile trip from new york city to london has a 50-mph tailwind. the flight's point of no return, is the point at which the flight time required to return to n

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book Other Question
Simplify each of the following expressions.

Subtract 3x - 4 from - 2x +5

Solve each of the following equations.

- 0.2(x - 6) + x = 0.3(4 - x)

3x + 5 = 2(x - 5) + x Can someone out there help me solve this problem?

If a person cross-country skis for 35 minutes, how many calories will be burned?
Cross-country skiing burns 700 calories/hour

Thanks,
Sher