Find the GCD (or HCF) of numerator and denominator
GCD of 18 and 20 is 2
Divide both the numerator and denominator by the GCD
18 ÷ 2
-----------
20 ÷ 2
Reduced fraction:
9
----
10
The expression that could best describe the statement would be " 40 n + 20

260.
total=147
a:m
1:6 =7
147÷7=21
21×1=21
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Answer:
#1: x/4 - 3/4
#2: x/14 + 9/2
Step-by-step explanation:
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By applying 2×pie×radius (radius+height)
This answer comes 1925000mm^3