exam Maths Puzzle Numerical Ability

87+92+K(all divided by 3)=91 Thanks

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exam Other Question

How do I simplify this radical expression.

-3 Square root of 20 times square root of 15.

Also this one.

-2 square root of 6a cubed times square root of 3a.


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A car rental company wants to charge a rate of $A per day plus $B per mile to rent a compact car. Their leading competitor charges $15 per day plus $0.25 per mile to rent a compact