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5 + 8s = 15 + 3s
8s - 3s = 15 - 5
5s = 10
s = 10/5
s = 2 <=== they will charge the same at 2 sq ft
Sandwich cost $7.70 and the soda costs $2.20.
Answer:
5 1/3 flour 3 1/5 sugar
Step-by-step explanation:
Supplementary angles add up to 180°
-> The measure of an angle that is supplementary to a 71° angle is 180° - 71° = 129°
