Question

who will answer this question I will follow ​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

(b). 16

Step-by-step explanation:

$7^{x-y}$ = 7² ⇒ x - y = 2 .... (1)

$7^{x+y}$ = 7³ ⇒ x + y = 3 .... (2)

(1) + (2)

2x = 5 ⇒ x = 2.5 and y = 0.5

6 × 2.5 + 2 × 0.5 = 16

The option (b) is the answer.