One chorus has 28 student.the other chorus has 36 students
2 answers:
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Answer:
hours
Step-by-step explanation:
Whenever 2 quantities (suppose a and b) are inversely proportional to each other, we can write an proportionality equation (with k as proportional constant) as:
Since, here t is INVERSELY PROPORTIONAL to r, we can say:
Firstly, we have t = 2 hour and r = 40 mph, so we find k:
Now, secondly, we have r = 45 and k = 80, we need to find t:
So, it would take hours
Answer:
1 % decrease
Step-by-step explanation:
The percent of decrease time can be written as the expression Now, we convert the fraction into a decimal:
We can convert this decimal into a percentage: 0.01*100 = 1%.
<u><em>PLZ MARK BRAINLIEST!!!</em></u>