In a survey, 80 students were asked to name their favorite subject. Thirty students said that History was their favorite. What p
ercent of the students surveyed said that History was their favorite subject?
2 answers:
I misread the question so I am removing my answer.
Answer:
I think the answer is 20 percent
Step-by-step explanation:
if 80 is 100% than you have to make 30 a %
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Step-by-step explanation:

The perimeter of the shape shown is 63 units
Answer:the number is 25
Step-by-step explanation:
2a-7=43
Collect like terms
2a=43+7
2a=50
Divide both sides by 2
2a/2=50/2
a=25