The answer is n + 3 over 5 = n - 1 over 2.
The value of the expression is 19
Step-by-step explanation:
- Step 1: Find the value of 9(n + 2) - 5n when n = 1/4
⇒ 9(n + 2) - 5n = 9(1/4 + 2) - 5 × 1/4
= 9(9/4) - 5/4
= 81/4 - 5/4 = 76/4 = 19
log₇ (50) - log₇ (5) = log₇ (50 ÷ 5)
log₇ () = log₇ (10)
Answer: C