book Maths Puzzle Numerical Ability

1/ 5abs2x-4abs less than 1

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book Other Question

If you invest $7,500 in an account paying 8.35% compounded continuously, how much money will be in the account at the end of
(A) 5.5 years?
(B) 12 years?

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Terry has 7 more quarters than dimes and has a total of $6.80. The number of quarters and dimes is 38. How many quarters and dimes does terry have?

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