the cost of a machine decreased from $1800 to $1500. find the percent of decrease in the cost of the machine.

The cost of a machine decreased from $1800 to $1500. Find the percent of decrease in the cost of the machine. => 21.7% or 31.7% or 16.7% or 26.7%..

The cost of a computer decreases from $800 to $720. What is the percent of decrease in the cost of the computer? => 10% or 12% or 15% or 13%..

A dress is on sale for $120. Its original cost is $150. What is the percent of decrease in the price? => 18% or 20% or 25% or 23%..

The value of a machine decreases by 13% every year. Brian bought the machine yesterday for $30,000. What will be its value next year? => $25,100 or $26,120 or $26,100 or $27,100..

The annual maintenance cost of a machine in a factory over a three year period is represented in the histogram. By how much did the maintenance cost increase in 1996-97 when compared to 1994-95? => $130 or $100 or $150 or $50..

The cost of a T.V is $440 which decreases by $27 each year. Find its value after 8 years. => $629 or $376 or $251 or $224..

Which of the following best describes the inequality, 9x < 200? => Cost of x items at $9 each is less than $200. or Cost of x items at $9 each is decreased by $200. or Cost of x items at $9 each is more than $200. or Cost of x items at $9 each is..

The above information can be represented as Let the diet contain x units of A and y units of B. \ Total cost = 2x + 4y The LPP formulated for the given diet problem is Minimize Z = 2x + 4y subject to the constraints 02. In the production of 2 types of toys, a factory uses 3 h..

Friction as a Contact Force - In real life an object which is moving over a horizontal surface does not continue with constant velocity when the accelerating force is removed. Instead the object slows down and eventually stops. The deceleration is caused by a frictional force between the object and..

. Economists use differentiation to maximise profit with minimum cost. Differentiation is also used to study the behavior of machinery. What could be the shape of a least expensive machine, which can work effectively? Calculus enables to estimate the reduction in water levels as..