contestada

Bob has 4 ratio 3 hats and scarfs he sell 25 hats he left with 7 ratio 9 hats and scarfs how many scarfs he has

Respuesta :

Hats : Scarves
  4    :     3
 x3        x3
12 .   :    9


After selling 25 hats, 
Hats : Scarves 
  7     :    9

-----------------------------------------------
Find the difference in part for the hats :
-----------------------------------------------
12 - 7 = 5 parts
5 parts = 25 hats

-----------------------------------------------
Find 1 part :
-----------------------------------------------
5 parts = 25
1 part = 25 ÷ 5 
1 part = 5 

-----------------------------------------------
Find 9 parts (Scarves) :
-----------------------------------------------
1 part = 5
9 parts = 5 x 9
9 parts = 45

-----------------------------------------------
Answer: Bob has 45 scarves.
-----------------------------------------------