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Chapter 13: Q 14. (page 847)

IfnA鈭�B=40,nB=nA,nA鈭�B=60. FindnA.

Short Answer

Expert verified

nA=50.

Step by step solution

01

Step 1. Given Information.

The given values are

nA鈭�B=40,nB=nA,nA鈭�B=60.

02

Step 2. Calculation of nA.

Using the Counting principle, we get

nA鈭�B=nA+nB-nA鈭�B60=2nA-40100=2nAnA=50.

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