Question

averages and item count selector

illus. 8-a
sample tape for problem 37.

37.
28.70
691.09
724.51
890.03
521.64
42.67
197.80
204.48
366.59
78.31
40.25
7,279.11
total a. 11,065.18
average b. 922.10

38.
15.36
641.35
254.19
624.86
106.41
87.26
822.30
467.15
274.23
69.47
246.19
90.78
a. _______
b. _______

39.
120.86
923.16
89.40
995.28
243.68
780.31
528.24
477.10
93.45
899.34
446.50
167.18
a. _______
b. _______

Explanation:

Calculate total and average for Problem 38

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$$
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Calculate total and average for Problem 39

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$$

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$$

Answer:

Question 38

a. \(3,699.55\)
b. \(308.30\)

Question 39

a. \(5,764.50\)
b. \(480.38\)