Raymond buys bottles of orange juice at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of orange juice b did he buy? A) 2.10b+12.99=$21.39; 4 bottles B) 2.10+12.99b= 21.39; 4 bottles C) 2.10c= 21.39+12.99; 6 bottles D) 21.39-2.10b= 12.99; 16 bottles

Raymond buys bottles of orange juice at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of orange juice b did he buy? A) 2.10b+12.99=$21.39; 4 bottles B) 2.10+12.99b= 21.39; 4 bottles C) 2.10c= 21.39+12.99; 6 bottles D) 21.39-2.10b= 12.99; 16 bottles

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter5: Similar Triangles

Section5.CR: Review Exercises

Problem 9CR: Use proportions to solve Review Exercises 9 to 11. Four containers of fruit juice cost 3.52. How...

See similar textbooks

Similar questions

Mary Frances has a rectangular garden plot that encloses an area of 48 yd2. If 28 yd of fencing are purchased to enclose the garden, what are the dimensions of the rectangular plot?
Because of the construction along the road from A to B, Alinna drives 5miles from A to C and then 12miles from C to B. How much farther did Alinna travel by using the alternative route from A to B?
Alices mother wants to wallpaper two adjacent walls in Alices bedroom. She also wants to put a border along the top of all four walls. The bedroom is 9 ft by 12 ft by 8 ft high. aIf each double roll covers approximately 60ft2 and the wallpaper is sold in double rolls only, how many double rolls are needed? bIf the border is sold in rolls of 5 yd each, how many rolls of the border are needed?
Sue and Daves semicircular driveway is to be resealed, and then flowers are to be planted on either side. Give approximate answers. aWhat is the number of square feet to be resealed? bIf Dave can reseal the driveway at a cost of 0.45 per square feet, what is the cost of resealing the driveway? cIf individual flowers are to be planted 1 foot from the edge of the driveway at intervals of approximately 1 foot on both sides of the driveway, how many flowers are needed?
The area of the square is 12, and the area of the circle is 30. Does the area of the entire shaded region equal 42? Why or why not?
Jeff and Helen want to carpet their family room, except for the entrance way and the semicircle in front of the fireplace, both of which they want to tile. aHow many square yards of carpeting are needed? bHow many square feet are to be tiled?
The roof of the house shown needs to be reshingled. a Considering that the front and back sections of the roof have equal areas, find the total area to be reshingled. b If roofing is sold in squares each covering 100ft2, how many squares are needed to complete the work? c To remove old shingles and replace with new shingles costs 97.50 per square. What is the cost of reroofing?
If the tank in Exercises 41 needs to be painted and 1 pint of paint covers 50ft2, how many pints are needed to paint the exterior of the storage tank? A cylindrical storage tank has a depth of 5 ft and a radius measuring 2 ft. If each cubic foot can hold 7.5 gallon of gasoline, what is the total storage capacity of the tank measured in gallons?
Jeff and Helen want to carpet their family room, except for the entrance way and the semicircle in front of the fireplace, both of which they want to tile. aApproximately, how many square yards of carpeting are needed? bHow many square feet are to be tiled?
In Exercises 44 and 45, use the formula from Exercise 43. Similar triangles were used to find h and H. A container of yogurt has the shape of a frustum of a cone. With the lower base having diameter length 6 cm and the upper base having diameter length 8 cm, the volume of such a container 7.5 cm tall can be determined by using H=30 cm and h=22.5 cm. Find its volume. A frustum of a cone is the portion of the cone bounded between the circular base and a plane parallel to the base. With dimensions are indicated, show that the volume of the frustum of the cone is V=13R2H13rh2
As in Exercise 39, find the volume of the box if four congruent squares with sides of length 6 in. are cut from the corners of a rectangular piece of poster board that is 20 in. wide by 30 in. long. Kristine creates an open box by cutting congruent squares from the four corners of a square piece of cardboard that has a length of 24 in. per side. If the congruent squares that are removed have sides that measure 6 in. each, what is the volume of the box formed by folding and sealing the flaps?
The surface of a soccer ball is composed of 12 regular pentagons and 20 regular hexagons. With each side of each regular polygon measuring 4.5 cm, the area of each regular pentagon is 34.9 cm2 and area of each regular hexagon is 52.5 cm2. a What is the surface area of the soccer ball? b If the material used to construct the ball costs 0.8 of a cent per square centimeter, what is the cost of the materials used in construction?