4/20=x/100 20 times 5 equal 100 so 5 times 4 equals 20 so the answer is 20%
Answer:
N = R - 7
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5
Step-by-step explanation:
R=5n+7
subtract 7 from both sides
5n = R-7
divide both sides by 5
n = R-7
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5
Answer:
In group A, they have at least one 90 degree angle. In Group B, they do not have any 90 degree angles.