(a) Madam Kwakyewaa imported a quantity of frozen fish costing GH¢ 400.00. The goods attracted an import duty of 15% of its cost. She also paid a sales tax of 10% of the total cost of the goods including the import duty and then sold the goods for GH¢ 660.00. Calculate the percentage profit. (b) In a school, there are 1000 boys and a number of girls. The 48% of the total number of students that were successful in an examination was made up of 50%of the boys and 40% of the girls. Find the number of girls in the school.
Explanation
(a) Import duty : ¢ New cost price : GH¢400.00 + GH¢ 60 = GH¢ 460.00 Sales tax : ¢ Total cost price : ¢¢ Profit = GH¢(660 - 506) = GH¢ 154.00 = . (b) Let the number of girls be t. Therefore the total number of students = (1000 + t) students. The number that passed the exam = = There are 250 girls in the school.
