Decrease 91x in the ratio 5: 7. Divide 182kg in the ratio 2:3: 8. A farmer can exchange 72 pigs for 54 sheep at R560 each. What is the price The ratio of the number of boys to the number of girls in a class is 4: 3. Calculate how many boys there are in the class if there are 42 pupils in the Calculate how many pupils there are in the class if there are 21 girls. p. 2 of 3