Question

2, Sarah uses 5ķups of flour for every 2 loaves of bread she bakes. What is the unit rate of cups of flour per loaf of bread? Using this unit rate, how many cups of flour will Sarah need to make 5 loaves of 3. Rosie bought some tickets to a concert and found out that she could not go. She decided to sell them on line. Rosie wanted to markup the price 7% to make some money. If she bought the tickets for $80. what does she need to sell them for a 7% markup? If the site charges a fee of $2.00 to list the tickets, How much money will Rosie get from selling the tickets on line? 4. The isosceles triangle is drawn on the grid below. Find the scale factor of height to base Using this scale factor, construct another triangle that is similar to the first triangle. 5. Cube A has the length of edge a. Cube B has the length of edge that doubles the edge of Cube A Cube C has the length of edge that half the edge of Cube A. a) What is the ratio of surface area of Cube B to surface area of Cube A? b) What is the ratio of surface area of Cube C to surface area of Cube A ? c) The ratio of volume of Cube B to volume of Cube A? d) The ratio of volume of Cube C to volume of Cube A? e) Explain how is the scale factor related to the ratio of cube surface areas and the ratio of cube volumes 6. Give an example how the concept of rate is used in Calculus.

Answer 1

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