exam Maths Puzzle Numerical Ability

Tom walked to the meeting at 2 miles per hour and caught a ride home in an old truck at 10 miles per hour. How far was it to the meeting place if his total travel time was 18 hours?

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exam Other Question

1. Simplify 4x[(7x^2+2x-5)+(3x^2+9x)/3x]

2.Write down the coeficient of the term 4x^4y^2 in the algebraic expression 4x^4y^2z-3x^3y^2z+3/2xy^3z^2

3. Tom's uncle owns a triang Perform the indicated multiplication. Then simplify each radical expression.

√7(2√3 + 3 √7)