Answer:
75 + 20 = 5 (15 + 4) = 5 × 19 = 95
Step-by-step explanation:
The prime factors of 75 are 3 × 5 × 5.
Again, the prime factors of 20 are 2 × 2 × 5
Therefore, the greatest common factor of 75 and 20 is 5.
Now, 75 + 20
= 5 × 15 + 5 × 4
= 5(15 + 4) {Using the distributive property of multiplication}
= 5 × 19
= 95 (Answer)
