9 • 10 = 90 dollars worth of souvenirs
387 - 90 = 279 dollars worth of tickets
279/9 = 31 dollars
Answer $31
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-
=
Answer:
x = 8
Step-by-step explanation:
2x -3 = 13
+3 +3
2x = 16
--- ---
2 2
x = 8
Quadrant 4 is the correct answer, and it's the only