Jake has 19 coins in nickels, dimes, and quarters. The number of nickels plus twice the dimes minus the quarters is 3. The nickels and quarters minus the dimes is $2.35. How many quarters
does he have?

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Asalad dressing recipe calls for 1 teaspoon of vinegar and three tablespoons of olive oil to only make 1/3 of the recipe for a single portion how much of each ingredient would you need

In the right triangular prism below, bg ⊥ fc. the volume of the prism is 900 cubic centimeter the height of the prism is 15 centimeters and the height of the triangular base is 10 centimeters. what is your he length of edg fc