Sally bought five books.Their mean price was 3.25. The total cost for four books was 11.75.what was the cost of the fifth book
1 answer:
Answer:
$4.50
Step-by-step explanation:
Use the mean formula: mean = sum of elements / number of elements
Let x represent the cost of the fifth book, and solve for x:
mean = sum of elements / number of elements
3.25 = (11.75 + x) / 5
16.25 = 11.75 + x
4.5 = x
So, the cost of the fifth book was $4.50
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Answer:
2500
Step-by-step explanation:
10,000/3,000=10/3
10x750=7500
7500/3=2500
What is the question more information
Answer:
Im pretty sure it would just be g= -p+15
Step-by-step explanation:
I really hope this helps, if not I am so sorry
37 out of 75. That's just about it
949 rounded to the nearest ten would be 950 because 5 and above rounds up to the next 10.
