find an equation of variation in which y varies directly as x and the following are true. then find the value of y[..]

it takes 3 hours for 2 concrete mixers to mix a fixed amount of concrete. the number of hours varies inversely as[..]

the distance d traveled by a train varies directly as the time t that it travels. the train travels 60 km in 1/2[..]

A GROUP OF STUDENTS DRIVE BOTH A CAR AND A SUV ON A SKI TRIP. THE CAR LEFT FIRST AND TRAVELED AT 55MPH. THE SUV LEFT[..]

A STUDENT WALKS AND JOGS TO COLLEGE EACH DAY. SHE AVERAGES 5KM/H. WALKING AND 9KM/H JOGGING. THE DISTANCE FROM HOME[..]

TWO CARS LEAVE TOWN AT THE SAME TIME TRAVELING IN THE SAME DIRECTION. ONE TRAVELS AT 35MPH AND THE OTHER AT 40MPH.[..]

DAVID IS TWICE AS OLD AS HIS DAUGHTER. IN 14YRS., DAVID'S AGE WILL BE THREE TIMES WHAT HIS DAUGHTER'S AGE WAS 6YRS.[..]

Sandy invested her savings of $4500 in two different accounts one year ago. One account had an interest rate of 5%[..]

The sum of three consecutive odd integers is 189. What are the integers?

Mint cookies $3.00/ box Peanut cookies $3.50 /box Oreos $4.00 / box She sold 500 boxes in all. She sold 340 fewer[..]