Direct Variation Answers

If 10 pounds of sugar cost $18.54, how much will 15 pounds of sugar cost?

A salesman's commission varies directly as his sales.If the commission is $10 for $100 in sales, find the commission for $150 in sales.

Given the formula , how does the A vary in relation to the square of the radius?

If y varies directly as and y = 144 when x = 4, what is the value of y when x = -5?

Suppose y varies directly as x. If y = 8 when x = 24, what is the value of x when y = 9?

If 2 egg rolls cost $1.20, how much will 10 egg rolls cost?

The variables x and y vary directly. Use the given values to write an equation that relates x and y. x = 20 y = 10 a. c. b. d. Please select the best answer from the choices provided

The variables x and y vary directly. Use the given values to write an equation that relates x and y. x = 18 y = 6 a. c. b. d. Please select the best answer from the choices provided

The distance an object falls when dropped from a tower varies directly as the square of the time it falls. If the object falls 144 feet in 3 seconds, how far will it fall in 17 seconds?

If y varies directly as x and y = 49 when x = 7, what is the value of y when x = 3?

If y varies directly as x and y = 144 when x = 12, what is the value of y when x = 17?

There are about 200 calories in 50 grams of Cheddar cheese. Tena ate 70 grams of this cheese. About how many calories were in the cheese that she ate if the number of calories varies directly as the weight of the cheese

If y varies directly as x and y = 208 when x = 16, what is the value of y when x = 11?

If 7 sandwich rolls cost $1.54, how much will 30 rolls cost?

A quantity a varies directly as a quantity b, if, when b changes, a changes in the same ratio. What happens to the quantity a if the quantity b doubles in value?

The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. If a 27-kg object stretches a spring 53 cm, find the distance when the weight is 13-kg. Round your answer to the nearest whole centimeter.

If y varies directly as x and y = 8 when x = 4, what is the value of y when x = 16?

The variables x and y vary directly. Given the model y = -2x , find the value of x wheny = -16.

If y varies directly as the and y = 200 when x = 5, what is the value of y when x = -3? a. b. 120 c. 72 d. Please select the best answer from the choices provided