If john had 80 apples and ate 28 how many apples does he have left

Ty received 3/5 of his CDs as gifts. If he has 60 CDs, how many were gifts?

William is trying to decide which golf course he should join. At idlywild, The cost is a 75$ initial membership fee and then 7$ for every golf round. At Brentwood, The cost is only 5$ per round of golf, But the initial membership fee is $185.

What is 0.023 with the 23 repeating as a fraction?

Which of the following is the probability that a red marble will be selected from a bag containing 9 red marbles, 6 blue marbles, 7 green marbles, and 11 yellow marbles if one is selected randomly? 1) 21% 2) 40% 3) 27% 4) 33%

Mary mixies white paint and blue paint in the ratios 2:3. She makes a total of 20 litres of paint. How much more blue paint does she needs to add to the mixture so the ratios of white paint to the blue paint become 1:7?

What is the difference between a sample statistic and a population parameter? a. a sample statistic is frequently impractical or impossible to find for large samples, however a population parameter is often easier to find and provides a reasonable

Collins Middle School has 216 sixth grade students. If the sixth grade is 30% of the total school, how many students are in the middle school?

There are 200 balls of the same size inside a dark room. There are 100 white balls, 55 red balls, and 45 black balls. If one student picks up a ball randomly, what is the probability that he picks up a red ball? answer choices 22.5% 27.5% 45% 55%

After the dimensions of an equilateral triangle are increased by a scale factor of 2.5, the perimeter is 45 units. What were the side lengths of the original triangle?

A test to detect an infection gives a positive result 98% of the time if a person is infected. It is 97% accurate for people who are not infected. % of results will be false negatives, and % of results will be false positives.