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

a sum of RS 500 is in the form of denominators of RS5 & RS 10..if the total no. of notes is 90 ,find the no. of notes of each type................
what is the gcf and lcm of 390 and 250
how do u express a ratio as a decimal
Georges Cuvier's discovery of fossils of Irish elk and giant ground sloth:
You have 5 pounds and 10 ounces of laundry. Your washer has a capacity of 7 pounds. How many more ounces of laundry would you need to make a full load?
What different peoples contributed to the cultures of Spain and Portugalit has to be five different peoples
What national symbol is common to China and Wales ?
resources are an integral part of human survival.yet indiscriminate use of them by humans has led to a crisis situation."discuss the above ststement in light of
What is 3 to the 3rd power times 3 to the 4th power
What national symbol is common to China and Wales ?