Answer:
the answer of the expression is 190
Step-by-step explanation:
Given expression as :
20 % of 950
Or,
times 950
Or,
× 950
Or, 20 × 
or, 20 × 9.5
∴ 190
27
18
----
45
GCF of 45 = 15
Here is a word document on Greatest Common Factors and how to solve it.
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The time it takes to install 1 insulator would be 1.25 hours
I think it is X equals 20 because there’s 180 degrees I a triangle and 100+40= 140 and you have e 40 remaining and since it’s 2x you do 40 divided by 2 which is 20 do the inverse to check