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P
OCKET
R
EFERENCE
G
UIDE
— 22
You’re going to pour an odd-shaped patio
4-1/2 Inches deep with the dimensions as
shown. First, calculate the total Area (by
dividing the drawing into three individual
rectangles) and then determine the total
cubic Yards of concrete required for this
job. What is the total cost of the concrete
if it is selling for $55 per cubic Yard?
KEYSTROKE
DISPLAY
1. Clear calculator:
o o
0.
2. Find Area “A” and add to Memory:
3 8 f 2 i
– 4 f 2 i = l
LNTH
34
FEET
0
INCH
2 7 f W
WDTH
27
FEET
0
INCH
W
AREA
918.
SQ FEET
μ
M
+ 918.
SQ FEET
3. Find Area “B” and add to Memory:
4 f 2 i l
LNTH
4
FEET
2
INCH
8 f 6 i W
WDTH
8
FEET
6
INCH
W
AREA
35.41667
SQ FEET
μ
M
+ 35.41667
SQ FEET
4. Find Area “C” and add to Memory:
9 f l
LNTH
9
FEET
0
INCH
9 f 6 i W
WDTH
9
FEET
6
INCH
W
AREA
85.5
SQ FEET
μ
M
+ 85.5
SQ FEET
5. Find Total Area/Volume and cost:
® ®
M
+ 1038.917
SQ FEET
x 4 i 1 / 2 =
14.4294
CU YD
x 5 5 Ç 0
$793.
62
M
M
M
M
M
M
M
M
M
(Cont’d)