Basic functions - practice problems - page 2 of 216
Number of problems found: 4315
- Three in ratio
1/8 of the balls in a bag are red, 5/8 are blue and the rest is green. Find the ratio of red to blue to green balls.
- Mary solved
Mary solved six out of ten problem correctly in mathematics. What is the ratio of the number of correct answers to the number of wrong answers? Show the solution.
- Divide in ratio
What is 75 in the ratio of 2:3?
- Students 57131
There are 25 students in the class. 4 students commute. How much is it%? Please help quickly
- White balls
I have 3 white balls and 5 red balls in my pocket. How many least balls do I have to remove from the bag to make sure that the pulled out ball is definitely red?
- A korean
A korean mart sells banana milk, strawberry milk, and melon milk. 65% of the milks sold is banana and 14% is strawberry. What percentage is melon milk?
Of the 326 pages in the book, only 38 are text. The rest is the picture attachments. How many % of the total are picture attachments?
- Decimal to percentages
A) What is 1.18 as a percent? B) What is 0.38 in percent notation? C) Write 65% as a fraction. Simplify.
- In 2011
In 2011, assuming about 61.3% of the households in Colorado owned pets. Find the decimal notation for 61.3%.
- Percentage: 54311
Percentage: Increase and decrease- (x + 5) by 25%.
- Multiplicative inverse
Explain why the reciprocal of - 1 1/17 is the multiplicative inverse of - 17/18.
Ember spent $144 on her birthday party for 18 guests. If the cost is at the same rate, how many guests will there if she spends $176?
- Sharonsville fires
In the city of Sharonsville, there were 678 structure fires in 1997. In 1999, the number of structure fires in Sharonsville decreased by 26. By what percentage did structure fires decrease in Sharonsville?
Duval went to bat 80 times during a baseball season. In the first half of the season he had 15 hits. In the second half of the season he had 9 hits. Which percent of the time did Duval get a hit during the entire season?
- An online
An online retailer offers a selection of electronic books for $4 each, plus a fixed download charge of $1 for any number of books. Write an equation to represent the total cost in dollars c for b books
- Percentage 48523
Instead of 2000 pieces of yogurts, the dairy produced 2,800 pieces. By what percentage did it exceed the plan?
- Students 48473
There are 30 students in the class. 70% of them have one sibling. How many students have one sibling?
- Number 47251
From which number 70% is 30?
- Ratio to total
7:12 is the ratio of orchids to tulips. What is the ratio of the number of orchids to the total number of flowers in the garden?
- Passengers 45501
During the rescue of the sinking ship, the passengers were divided into three boats in a ratio of 3: 4: 5. There were 15 passengers in the first boat. How many passengers were rescued together?