lovelacey2004 lovelacey2004
  • 12-02-2017
  • Mathematics
contestada

The cost of 3 pizzas and 4 sandwiches at Ralph's Deli is $68. The cost of 3 pizzas and 7 sandwiches is $92. What is the cost of one pizza and one sandwich?

Respuesta :

muzzickman
muzzickman muzzickman
  • 14-02-2017
Pizza is 12. Sandwich is 8. Total for both is 20.
92-68=24
24/3=8
 8*4=32
68-32=36
 36/3=12
Answer Link

Otras preguntas

what is 72% of 350 friends
Thomas painted 4 pictures Maria painted twice as many pictures as Thomas how many pictures did they paint
HOW DID EUROPEAN NATIONS BUILD EMPIRES IN SOUTH AND SOUTHEAST ASIA
In Virginia, colonists who could pay their way across the Atlantic were granted 50 acres of land to lease for a modest rental fee. The term for such an arrangem
Scientists and historians believe that the time from prehistory to the development of agriculture spans more than two million years. a. True b. False
A decimal that is equivalent to 5.300
Who was Prince Estabrook and what was his contribution to American history?
Which causes strep throat, anthrax, and tetanus?
Which of these is a physical property of wood? a. Wood can burn. b. Wood can rot. c. Wood does not rust. d. Wood is softer than coal.
what is 9+2|4x−3|=19