The pet store owner use one dose of algae solution in the aquarium for each 1/2 gallon of water. How many doses will the owner need to put in his 10 gallon aquarium?

The temperature was 8°f. It dropped so that the temperature was 0°f. What integer represents the change in temperature?

Find the mean of 66, 55, 65, 65, 44, 54, and 10 with the outlier and without the outlier. I dont understand

A decreased by 10% Express using Algebra.

In a packet of skittles, 27% are red and 14% are blue. What percentage are not red?

A study of the use of social media asked a sample of 488 American adults under the age of 40 and a sample of 421 American adults aged 40 or over about their use of social media.

4 percent of x days is 56

What is 100/298 written in its simplest form

Ying eats some yoghurt. The yoghurt contains 192 mg of calcium. This is 16% of the total amount of calcium that Ying should have each day. Work out the total amount of calcium that Ying should have each day, showing your working out (3 marks).

Circle O has a circumference of 88cm

How do you represent a real world problem involving ratios or rates