If 12 keychains cost $9 then how much does 20 keychains cost? $________ Also if you could may you provide steps on how you got t
he answer
2 answers:
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Answer:
Step-by-step explanation:
we have
------> equation A
------> equation B
Remember that
The solution of the system of equation is the intersection point both graphs
Using a graphing tool
see the attached figure
The intersection point is
Hi there!
We can split into factors using the "guess and check" method.
Factors are in the format of:
(ax + b)(cx + d), where in this instance:
a · c = 2
bc + da = 5
b · d = 3
Thus, we get:
(2x + 3)(x + 1)