U do 4/20 = p/100 then u cross multiply the 4 with 100 getting u 400, then divide the 400 by 20, giving u the answer of 20%
Answer:
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Step-by-step explanation:
Given
Required
Determine the %decrease
First, we need to determine the amount paid
The percentage decrease is the calculated as follows:
In this case;
So; we have:
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Answer:
how many miles did she travel each hour? Then I can answer your question
Use math induction proof method will be usefully
for n=1 will get
1^2 = 1(6*1^2 -3*1 -1)/2
1 = 1(6-4)/2
1 = 1(2)/2
1 = 1
suppose true for n=k and prove for k = k+1
hope this will help you
