awesomejason4
awesomejason4 awesomejason4
  • 04-06-2020
  • Mathematics
contestada

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

Respuesta :

wrexn
wrexn wrexn
  • 04-06-2020

Answer:

B. 4 would be your answer.

Step-by-step explanation:

7 x 3 = 21

4 x 3 = 12

:)

Answer Link
PollyP52 PollyP52
  • 05-06-2020

Answer:

B. 4.

Step-by-step explanation:

Let the number be x then

x/7 = 12/21

Crossmultiply:

x = 7*12 / 21

x =  12 / 3 = 4.

Answer Link

Otras preguntas

Why does more solar energy reach the equatorial regions than the polar regions?
Subtract: 6lb 4oz - 2lb 10oz
which geographic feature most aided england during the industrial revolution?
The widths of two similar rectangles are 16 cm and 14 cm. What is the ratio of their perimeters? Of their areas? a. 8:7 and 64:49 b. 9:8 and 64:49 c. 8 and 81-
The specific temperature at which a substance changes from a liquid to a gas is an example of a
Did Maya Angelou's uncle kill the mom's boyfriend after finding out he raped Maya or beat him to death?
How do I factor 2y^2 - y - 10
Is Smoking in Japan Illegal? Please help me :)
Show that n^2-1 is divisible by 8,if 'n' is an odd positive integer.
one way in whick Robespierre and Louis XVI of France are similar is that both