?% of 280 + 18% of 550 = 143.8 (a) 11 (b) 18 (c) 21 (d) 16 (e) None of these
Step1 ) 18% of 550 is 99Step2) 143.8 - 99 is 44.8Step3) 44.8/280 is 0.16 Step4) since we are dividing by a percentage we multiply by 100 hence the answer is 16.