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Q: 5x × 23 = 36. 5(x+1) = ?
A. 22 B. 21
C. 20.5 D. 22.5

Answer and Explanation

Answer:22.5

Explanation:
a m .a n =a m+n
5 x ×2 3 =36 ⇒5 x =36 2 3 5 (x+1) =5 x ×5=36 2 3 ×5=36×5 2×2×2 =9×5 2 =22.5   

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