Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel. (AGE WORD PROBLEMS ON KHAN)

Daniel is 3 years old.

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?