Answer:
25%
Step-by-step explanation:
The percent of increase can be calculated using following formula:
In your case,
- Initial amount = 12 students;
- Final amount = 15 students,
then
Answer:
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Step-by-step explanation:
55% of the tables would be 33 tables times 10 chairs equals 330 Chairs That mean 60 Tables -33 tables Leaves you with 27 tables Times 8 Chairs Equals 216 Chairs So 330 and 216Equals 546 chairs
Think about the individual parts of the expression.
5b - a
5b equals 625. Therefore, 5b - a = 625 - a
Now you have 625 - a.
If 5a = 25, then what does "a" equal? Divide 5 from both sides to find out.
5a/5 = 25/5
a = 5
Therefore, 625 - a = 625 - 5
625 - 5 = 620
620 is the answer.
Answer:
1/3
Step-by-step explanation:
Ratios are basically comparisons of multiple numbers that shows their quantity relationship with each other. If we want to find the ratio of x to y, then the ratio is written as x : y or x/y.
Here, we want the ratio of adults to children. There are 3 adults and 9 children, so we have:
adults / children = 3 / 9 = 1/3
The answer is thus 1/3.
<em>~ an aesthetics lover</em>