Mia's Cafe has regular coffee and decaffeinated coffee. This morning, the cafe served 25 coffees in all, 15 of which were regular. What percentage of the coffees were regular? Write your answer using a percent sign (%)

The formula B=32A is used in New England to estimate the minimum furnace output, B, in BTUs, for a modern house with A square feet of flooring. Determine the minimum furnace output for a 1700 square foot modern house

Lincoln is working two summer jobs, making $13 per hour lifeguarding and $23 per hour tutoring. Last week Lincoln earned a total of $210 and worked 4 times as many hours tutoring as he worked hours lifeguarding.

The circumference of a circle is 53.38 cm. What is the radius of the circle?

Solve: 4 (a+3) = 12+4a

1) what is 1/5 times 1/2? 2) 1/5 times 3? 3) 3/5 times 1/6? 4) 4/12 times 1/2? 5) 1/7 divide 3/2?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.