Looks like the system is

We can eliminate
by taking




so that
, and



Substitute
into this last equation and solve for
:




Then



Plug these values into any one of the original equation to solve for
:




Hence the solution is x = 4, y = -3, and z = 2.
Answer:
9840
Step-by-step explanation:
1 - 18% = 82% survive, so the number available for sale is ...
0.82 × 12,000 = 9,840
Answer:
How many miles does each member of the biking club ri
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Step-by-step explanation:
This question is statistical, because 1) it provides a thing for you to study (how many miles does each member ride, as well as 2) provides (hopefully) enough respondents (the members of the biking club) that it will not skew the statistics.
~
31/40
replace 77.5 with 775/10
simplify to get 155/2
divide by 100 to get 31/40