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Sagot :
Step-by-step explanation:
total sold = 136
hot dogs sold : soda - 30
136 = soda + hot dogs
136 = soda + (soda -30)
136 = 2soda -30
2soda = 166
soda sold = 83
hot dogs sold = 83-30 = 53
Answer:
Number of soda's sold = 83
Number of hot dogs sold = 53
Step-by-step explanation:
Let the number of soda's sold =s
Number of hot dogs sold = h
s +h = 136 --------------(I)
h = s - 30 ---------------(II)
Substitute h =s -30 in equation (I)
s + s - 30 = 136
Combine like terms
2s - 30 = 136
Add 30 to both sides
2s = 136 + 30
2s = 166
Divide both sides by 2
s = 166/2
S = 83
Plugin s = 84 in equation (II)
h = 83 - 30
h = 53
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