shawn invested one half of his savings in a bond that paid simple interest for 2 years and received $ 200 as interest . he invested the remaining in a bond that paid compound interest , interest being compounded annually , for the same 2 years at the same rate of interest and received $ 245 as interest . what was the value of his total savings before investing in these two bonds ?
"so , we know that shawn received 20 % of the amount he invested in a year . we also know that in one year shawn received $ 100 , thus 0.2 x = $ 100 - - > x = $ 1,000 . since , he invested equal sums in his 2 bonds , then his total savings before investing was 2 * $ 1,000 = $ 2,000 answer e"
multiply(divide(multiply(divide(200, 2), divide(200, 2)), subtract(245, 200)), 2)