Answer: Hey! Don't worry!! I gotchu'. :D
A. To find 1/5 of 15, we can multiply 15 by 1/5, which is the same as dividing 15 by 5. So, 1/5 of 15 is equal to 15 ÷ 5 = 3.
B. To find 4/5 of 35, we can multiply 35 by 4/5, which is the same as multiplying 35 by 4 and then dividing the result by 5. So, 4/5 of 35 is equal to (35 × 4) ÷ 5 = 28.