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Novay_Z [31]
3 years ago
10

2. The restaurant bill you and your friend received was not itemized. You ordered 2 drink refills and the egg breakfast, for a t

otal of $8.40. Your friend ordered 3 refills and the egg breakfast for $9.35.
(a) Write a system of equations for the situation. Use r for the amount charged for a refill and b for the amount charged for the egg breakfast.
(b) Graph the equations in the system.
(c) Use your graph to estimate how much each item cost.
Mathematics
1 answer:
fiasKO [112]3 years ago
7 0
( a )   The system of equations:
2 r + b = 8.40
3 r + b = 9.35
( b ) Graph is in the attachment.
( c )  Each item costs:
 b = $6.50,  r = $0.95
We can prove it:  2 * 0.95 + 6.50 = 8.40
3* 0.95 + 6.50 = 9.35
Download docx
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