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I'm doing a CSSA trial and just came up against this question... I did i) no worries, it's just x/16 = 12.5/5 then 12.5x16.5 = 40. but ii) the answer is coming out as 62.8cm^2... how is it this? isn't it pi x 16 x 5 = 231.3cm^2?

thank you so much. how about this one? Anusha borrows $9900 in a flat-rate loan over 3 years, with interest charged at 9% per annum. Calculate the amount of each monthly repayment. (A) $74.25 (B) $222.75 (C) $349.25 (D) $1047.75 I tried the monthly repayment annuity formula, so...

The River Bank offers a "Vista" credit card with no interest-free period. Interest is charged at a flat rate of 18.8% p.a. Calculate the interest charged on a balance of $847 if the card is paid off after 64 days. (A) $13.69 (B) $27.92 (C) $339.70 (D) $2792.08 I thought you divided 18.8 by 365...