Nycin
28.01.2021 •
Mathematics
In the equation a and b represent the price per night for a room in hotel a and hotel b respectively w week s
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Ответ:
A = $80
Step-by-step explanation:
A = 240 - 20w
B = 320 - 30w
Equate both equations
240 - 20w = 320 - 30w
Collect like terms
240 - 320 = -30w + 20w
-80 = -10w
Divide both sides by -10
w = -80/-10
w = 8
Substitute w into equation A
A = 240 - 20w
= 240 - 20(8)
= 240 - 160
= 80
A = $80
Ответ:
1.80
Step-by-step explanation:
i did it