28ssmith35
28ssmith35 28ssmith35
  • 23-11-2020
  • Mathematics
contestada

If 12 math books weigh 40 pounds, how much would 21 math books weigh?

Respuesta :

Аноним Аноним
  • 23-11-2020

Answer:

70 pounds

Step-by-step explanation:

12/4=3

40/4=10

3x7=21

10x7=70

Answer Link

Otras preguntas

What is the answer to this problem???
What was the name of the treaty that ended the Mexican – American war? What did the United States get? What states came from the land acquired? What did they gi
Which system of equations is equivalent to the system of equations shown? x - 2y = 4 3x + y = 9 A) 4x + y = 13 and 2x + 4y = -8 B) 4x - y = 13 an
Which of these was a result of the Great Depression? A) the elimination of the American business cycle B) the reduction of the power of the Democratic party
How does the paint used for gouache usually come and what must be added to it before it is used?
this crossword puzzle!
My little sis needs help it's 10 points.
The base of a polyhedron is also a face of the polyhedron. True or False?
Kyle burroughs left his car parked on the street all night. when he came out in the morning all four of his tires had been slashed by vandals. what part of kyle
Which document served as a warning to European nations to not try and re-colonize Latin America and established the U.S. as a protectorate of the Western hemisp