Tony has twice as much money as Alicia. She has $16 less than Ralph. Together they all total $200. How much does tony have?

A cylinder is sliced by a plane that is not parallel to the base and intersects only the lateral surface. The resulting cross section is: Parabola eclipse circle hyperbola

Elisas mom teaches at a preschool. there is 1 teacher for every 12 students at the preschool. there are 276 students at the preschool. elisa is setting up equivalent ratios to find the number of teachers at the preschool.

Martha has made 40 cakes for the summer fayre. The proportion of cherries is 2/5, the proportion of currants is 1/10 and the proportion of raisins are 5/10. How many of each of the following does she need Raisins? Cherries? Currants?

Solve by converting fractions to decimals: 8 1/2 = s + 3 1/6

Mary Katherine has a bag of 3 red apples, 5 yellow apples and 4 green apples. Mary takes a red apple out of the bag and does not replace it. What is the probability that the next apple she takes out is yellow?

Sang swam 2,000 meters. Lu ran 3 times farther. How far did Lu run?

The rate of depreciation dv / dt of a machine is inversely proportional to the square of t + 1, where v is the value of the machine t years after it was purchased.

What would happen if two quantities in a ratio had different units? How would you simplify it?

815 gallons of gas cost $32. How many gallons of gas can Mike buy for $20?

What does Pythagoras' famous theorem involve?