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Chapter 7: 314E (page 719)

If avaries directly as band a=16, when b=4. Find the equation that relates a and b.

Short Answer

Expert verified

The equation relatingaandbisa=4b.

Step by step solution

01

Step 1. Given information

Given thatavaries directly asbanda=16whenb=4.

02

Equation relating a and b.

Since avaries directly as b, therefore

a伪b鈬�a=kb鈫�1

Now since a=16when b=4, therefore from equation (1) we get

16=k路4鈬�k=4

Now put k=4in equation (1), we get

a=4b

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