Answer:
the first one and the third one
Step-by-step explanation:
Answer:
it is not clear pls resend it fasttt
9514 1404 393
Answer:
Step-by-step explanation:
The equation for the total number of cases is ...
x + y = 20
The equation for the total cost of the cases is ...
20x +30y = 450
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<em>Additional comment</em>
The solution to these equations is (x, y) = (15, 5).
Answer:
(0,1)(4,9)
Step-by-step explanation: