agreisha
10.04.2021 •
Mathematics
Find the equation of the ellipse. Foci: (4,12), (4,6). Endpoints of minor axis: (8,9), (0,9)
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Ответ:
$6.50 per bag of popcorn
Step-by-step explanation:
let a bag of popcorn be represented by p and a candy bar be b
28p + 40b= $282
17p + 20b= $160.50
this is an example of stimatanelous equations
so you have to double the second equation to give 34p + 40b =$321
subtract the equations to give one
6p =$39
divide $39 by 6 to give the value of one bag of popcorn = $6.50