If 40% of the students in the class are boys, and if there are 18 girls in the class, then how many students are in the class?

You deposited $4500 dollars in a savings account that earns a simple interest rate. What interest rate do you need to be paid, if you require $5445 after 7 years.

Find the area of a regular polygon that has 8 sides and each side is 6.8 units long.

Textbooks are exempted from PST in Ontario. If the total cost of a book including 5% GST is $89, how much GST is paid for the textbook?

Sixteen is fourteen less than the product of a number and five. What is the number?

Terrell has a water purifier for backpacking. It will purify 1 liter of water in 1 minute. How long would it take Terrell to purify enough water for 4 canteens that each hold 750 mL and two that each hold 1.5 L?

Which number has the greatest value A. 4.17 B. 4.7 C. 4.01 D. 4.07

I was at the store and saw two sizes of avocados being sold. The regular size sold for $0.79 each. For what prices would the larger avocado be a better deal?

How to find Mean in grouped and ungrouped data?

Which is not a required deductions? A. social security B. medicare C. fed tax D. disability insurance E. state tax

Solve - 1 4/5 x = 9. A) 5 B) 1/5 C) - 5 D) - 1/5