*EXAM CLEVER RUNZ* NECO-MATHEMATICS-ANSWERS MATHS-OBJ! 1DBBCBDEDAC 11DCDAECDEDC 21CBAAECDCAD 31CCACCBDDCC 41CDDDCABDBA 51BCBDBCAADD ===================================== (1a) At the end of year 1 Using; A = P(1 + R/100)N A = #110,000(1+5/100) A = #110,000(1.05) Amount or savings = #115,500.00 At the beginning of year 2, Principal, p = 115,500 + #50,000 = #165,500.00 At the end of year 2 A = #165,500(1+5/100)¹ A = #165,500 × 1.05 A = #173,775.00 At the beginning of year 3, Principal, p = #173,775 + #50,000 = #223,775.00 At the end of year 3, A = #223,775(1+5/100) A = #223,775 × 1.05 A = 234,963.75 Total savings after 3 years = #234,963.75 + #50,000 = #284,963.75 (1b) By end of third year Savings is lesser than #300,000.00 by; #300,000.00 - 284,963.75 =#15,036.25 = #15,036.25 ===================================== (9ai) x+1⅔x≤ 2⅓x-1¼ x+5x/3≤ 7x/3 - 5/4 Multiply through with (12) 12x + 20x ≤ 28x - 15 32x ≤ 28x -15 32x - 28x ≤ -15 4x ≤ - 15 ...