Use a proportion to determine how many assistants are employed in an office if there are 32 executive and each executive has an
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Answer:
a= b =
Step-by-step explanation:
- By equating coefficients on both sides of respective terms.
Given,
=
+
<u>Now take </u><u>lcm</u><u> on right hand side </u>
=
By equating coefficients of respective terms
x-4 = a(x-2)+b(x+9)
a+b=1 -----1 ; 9b-2a=-4 -----2
Substitute b=1-a in 2
9(1-a)-2a=-4
11a=9+4=13
a=
As b=1-a=1- =