Fermin051505 Fermin051505
  • 01-08-2016
  • Mathematics
contestada

Find the missing number _____:7 = 12:21 A. 4 B. 12 C. 3 D. 14

Respuesta :

dalendrk
dalendrk dalendrk
  • 01-08-2016
___ : 7 = 12 : 21

21 : 7 = 3
12 : 3 = 4

_4_ : 7 = 12 : 21

check
4 · 3 = 12
7 · 3 = 21
Answer Link

Otras preguntas

.is a pot holder a conductor or a insulator
How is the numeral 35.012 written in words and why
When was William Shakespeare born
How does transpiration play a  role in the water cycle ?
What are two different ways to describe and label the layers of the Earth?
Was the Gold Rush a good or bad thing for the United States?
Trying to translate word problems. Five times the sum of 3 and twice some number is 70. what is the number?
How is the numeral 35.012 written in words and why
Solving systems by elimination: 2x + 4y = -4 3x + 5y = -3 Please show me your work so I can do the rest myself. Thanks!
What two major processes are involved in the oxygen cycle?