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Sav [38]
3 years ago
11

Assign two variables for each problem, and write the equations. Do not solve.

Mathematics
2 answers:
hichkok12 [17]3 years ago
5 0
1. x represents one battery, y represents the other battery x+y=6.5 x-y=2.5 2. x represents the number of small drinks sold, y represents the number of other size drinks sold x+y=230 x+1.5y=285
Luba_88 [7]3 years ago
5 0
A = first battery type
b = second battery type

a + b = 6.5 V
a = ( 6.5 V ) - b

b - a = 2.5 V

b - (6.5 - b) = 2.5
2b - 6.5 = 2.5
2b = 9.0
b = 4.5 V
a = 6.5 - 4.5
a = 2.0 V


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