exam Maths Puzzle Numerical Ability

8(2f-3) = 4(4f-8)

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exam Other Question

If an angle is acute, then its complement must be greater than its supplement. True or false? If Ben invests $5000 at 5% interest per year, how much additional money must he
invest at 6.5% annual interest to ensure that the interest he receives each year is 5.5% of the total amount invested?

$_______