At noon, an aquarium contained 20 gallons of water. After several hours, it contained 18 gallons of water. What is the percent decrease in the water of the tank?

The price of a flight was increased by 3% to £720. What was the price before the increase? Give your answer to the nearest penny.

Which expression is equal to 5,? A 542 B. 51 Cw D. 254

a total of $30 was placed in for envelopes a different amount in each one money from the largest share was taken up to double each of the other two amounts the resulting amounts where the same as before but in different envelopes what were the four

During the day, Sam spent $4.85 on lunch. He also bought two books for $7.95 each at the end of the day he had $8.20 left. How much money did he start with?

Convert 6 3/8 11 3/8 13 5/8 decimal?

Question 6 (multiple choice) Janine and Wesley sell office chairs. Janine earns a base salary of $2800 a month, plus $100 for each chair she sells. Wesley earns a base salary of $2400 a month, plus $125 for each chair he sells.

How do you figure out whether a fraction will be a terminating decimal or a repeating decimal?

Why is the constant of proportionality a useful concept?

10 to the 37th power

A footbridge is 5 feet wide and is built with wood planks that are 6 inches wide. How many planks wide is the path?