Register
Sheryl's mean average on eight exams is 83.750. Find the sum of her scores. A. 770 B. 670 C. 693 D. 686
201k views
5 votes
Sheryl's mean average on eight exams is 83.750. Find the sum of her scores.

A. 770

B. 670

C. 693

D. 686

User NealR
by
8.3k points

1 Answer

2 votes
The answer is B. 670

The mean average (X) is sum (s) of the values divided by the number of values n:
X = s / n

X = 83.750
n = 8
s = ?

s = X * n
s = 83.750 * 8 = 670
User Arman Feyzi
by
9.0k points
← Prev Question Next Question →

Related questions

User Sibyl
asked Dec 26, 2018 108k views
Sheryl's mean average on eight exams is 92.000. Find the sum of her scores. a-759 b-836 c-752 d-736
Sibyl asked Dec 26, 2018
by Sibyl
9.3k points
1 answer
2 votes
108k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!