This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
Alright Sizwe — let's do this. Here are the solutions for each multiplication problem using subtraction: a) 25 × 19 Step 1: Rewrite 19 as a subtraction from a round number. 19 = 20 - 1 Step 2: Apply the distributive property. 25 × 19 = 25 × (20 - 1) = 25 × 20 - 25 × 1 Step 3: Perform the multiplications and then the subtraction. 25 × 20 = 500 25 × 1 = 25 500 - 25 = 475 The answer is 475 b) 25 × 29 Step 1: Rewrite 29 as a subtraction from a round number. 29 = 30 - 1 Step 2: Apply the distributive property. 25 × 29 = 25 × (30 - 1) = 25 × 30 - 25 × 1 Step 3: Perform the multiplications and then the subtraction. 25 × 30 = 750 25 × 1 = 25 750 - 25 = 725 The answer is 725 c) 25 × 39 Step 1: Rewrite 39 as a subtraction from a round number. 39 = 40 - 1 Step 2: Apply the distributive property. 25 × 39 = 25 × (40 - 1) = 25 × 40 - 25 × 1 Step 3: Perform the multiplications and then the subtraction. 25 × 40 = 1000 25 × 1 = 25 1000 - 25 = 975 The answer is 975 d) 25 × 49 Step 1: Rewrite 49 as a subtraction from a round number. 49 = 50 - 1 Step 2: Apply the distributive property. 25 × 49 = 25 × (50 - 1) = 25 × 50 - 25 × 1 Step 3: Perform the multiplications and then the subtraction. 25 × 50 = 1250 25 × 1 = 25 1250 - 25 = 1225 The answer is 1225 e) 25 × 59 Step 1: Rewrite 59 as a subtraction from a round number. 59 = 60 - 1 Step 2: Apply the distributive property. 25 × 59 = 25 × (60 - 1) = 25 × 60 - 25 × 1 Step 3: Perform the multiplications and then the subtraction. 25 × 60 = 1500 25 × 1 = 25 1500 - 25 = 1475 The answer is 1475 f) 25 × 69 (Assuming the problem is 25 × 69 based on the pattern) Step 1: Rewrite 69 as a subtraction from a round number. 69 = 70 - 1 Step 2: Apply the distributive property. 25 × 69 = 25 × (70 - 1) = 25 × 70 - 25 × 1 Step 3: Perform the multiplications and then the subtraction. 25 × 70 = 1750 25 × 1 = 25 1750 - 25 = 1725 The answer is 1725 g) 25 × 79 Step 1: Rewrite 79 as a subtraction from a round number. 79 = 80 - 1 Step 2: Apply the distributive property. 25 × 79 = 25 × (80 - 1) = 25 × 80 - 25 × 1 Step 3: Perform the multiplications and then the subtraction. 25 × 80 = 2000 25 × 1 = 25 2000 - 25 = 1975 The answer is 1975 h) 25 × 89 Step 1: Rewrite 89 as a subtraction from a round number. 89 = 90 - 1 Step 2: Apply the distributive property. 25 × 89 = 25 × (90 - 1) = 25 × 90 - 25 × 1 Step 3: Perform the multiplications and then the subtraction. 25 × 90 = 2250 25 × 1 = 25 2250 - 25 = 2225 The answer is 2225 i) 25 × 99 Step 1: Rewrite 99 as a subtraction from a round number. 99 = 100 - 1 Step 2: Apply the distributive property. 25 × 99 = 25 × (100 - 1) = 25 × 100 - 25 × 1 Step 3: Perform the multiplications and then the subtraction. 25 × 100 = 2500 25 × 1 = 25 2500 - 25 = 2475 The answer is 2475 Send me the next one 📸