Walnuts sell for 10 dollars per pound and pecans for 18 dollars per pound. How much of each type of nut would[..]

A 10% acid solution is to be mixed with a 50% solution to get 200 liters of a 20% solution. How many liters of each[..]

A 20 foot ladder is leaning against a house. The distance from the bottom of the ladder to the house is 4 feet more[..]

The floor plan for a house is a rectangle with length 7m more than its width. The area is 170m squared. Find the[..]

the product of a number and 8 less than the number is 65

The number of years a person born in the United States is expected to livecan be apporximated by the equation[..]

The length of a picture frame is one inch less than three times its width. The area of the picture frame is 70[..]

At the school disco, half of the pupils ate crisps, one third ate sweets, 15 pupils ate neither, and nobody ate[..]

An actor invests some money at 9% and $45000 more than four times the amount of 10%. The total annual interest[..]

the sum of two # = 13 if one number is - from the othe giving you a -1