Answer:
35
Step-by-step explanation:
x-18=y
y*-3=-51
y=17
x-18=17
17+18=x
x=35
Answer:
where 
denotes number of drinks and 
denotes number of pastries.
Step-by-step explanation:
Let denotes number of drinks and denotes number of pastries.
Cost of the average drink = $4.50
Cost of the average pastry = $2.25
Total amount = $5,250
Therefore,
Answer:
880
Step-by-step explanation:
2/5 times 2200
Answer:
Sydney should choose the median after dropping one test score.
Step-by-step explanation:
