exam Maths Puzzle Numerical Ability

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1. A combined total of $20,000 is invested in two bonds that pay 8% and 9.5% simple interest. The annual interest is $1675. How much is invested in each bond?

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exam Other Question
four less than seven times a number Please help i have tried to figure this out and I am at a loss. I think you start out by using foil...
Write answer in standard form . Assume k is a positive interger.

[(x-1)+5i][(x-1)-5i]