Solve the following multiplication problems: 27. 15.78 kg x 25, 28. 3.58 x 2.9, 29. ksh. 25.25 x 8.6 m, 30. 15 x 13.38, 31. a) 53.694 x 0.59, b) 0.689 x 7.324, 32. a) juzi saves 3/4 of his earnings m,

Step 1: Multiply the thickness of one kamusi by the number of kamusi. Total thickness = 4.23 cm × 125 Step 2: Perform the multiplication. 4.23 × 125 = 528.75 The total thickness is 528.75 cm. 27. Step 1: Multiply the mass of one piece of metal by the number of pieces. Total mass = 15.78 kg × 25 Step 2: Perform the multiplication. 15.78 × 25 = 394.5 The mass of 25 pieces of metal is 394.5 kg. 28. Step 1: Perform the multiplication. 3.58 × 2.9 = 10.382 The product is 10.382. 29. Step 1: Multiply the cost per meter by the length of ribbon. Total cost = ksh. 25.25 × 8.6 Step 2: Perform the multiplication. 25.25 × 8.6 = 217.15 The cost of 8.6 m of ribbon is ksh. 217.15. 30. Step 1: Perform the multiplication. 15 × 13.38 = 200.7 The product is 200.7. 31. a) Step 1: Perform the multiplication. 53.694 × 0.59 = 31.67946 The product is 31.67946. b) Step 1: Perform the multiplication. 0.689 × 7.324 = 5.044236 The product is 5.044236. 32. Step 1: Calculate Juzi's monthly savings. Monthly savings = Earnings - Spending = m - (1)/(4)m = (3)/(4)m Step 2: Calculate total savings in 8 months. Total savings = Monthly savings × 8 = (3)/(4)m × 8 = 6m Juzi will save sh. 6m in 8 months. 33. Step 1: Let Pendo's age be p years. Step 2: Her father's age is 8 times Pendo's age. Father's age = 8 × p = 8p Her father is 8p years old. 34. (a) Step 1: Distribute the numbers into the parentheses. 3(4m + 3n) + 6(2m - n) = (3 × 4m) + (3 × 3n) + (6 × 2m) - (6 × n) = 12m + 9n + 12m - 6n Step 2: Group like terms. (12m + 12m) + (9n - 6n) Step 3: Combine like terms. 24m + 3n The simplified expression is 24m + 3n. 33A. Step 1: Let q be the initial number of animals. Step 2: After selling 15 animals, the farmer was left with 60. q - 15 = 60 Step 3: Solve for q. q = 60 + 15 q = 75 The farmer had 75 animals before. Triangle Question (a) Step 1: Write the expression for the perimeter of the triangle. The sides are (x-5), (x-5), and (2x+5). Perimeter = (x-5) + (x-5) + (2x+5) Step 2: Set the perimeter equal to 40 cm and solve for x. 40 = x - 5 + x - 5