Answer:
24 passes in total
Step-by-step explanation:
8*3=24
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4/5 4:5 4 to5 8 to 10 8/10 8:10
The easiest way to solve this is by elimination.
3x - y = 6
6x + y = 21
Since you have a negative and positive y with the same coefficients (1), they cancel, and you add the other terms so it would look like:
9x = 27
Then solving for x leaves you with x = 3
Then you take the x value of three and plug it into to either of the equations, so
3(3) - y = 6
9 - y = 6
subtracting 9
-y = -3
then dividing by -1
y = 3
so the solution is x = 3 y = 3 or (3,3)
90x0.15=13.5
so the total would be 103.08 before tax
1. a. {-2, -1, 0}
2. d. all real numbers (i think)
3. d. all real numbers (i think)
