NatcMadda2Nst
contestada

Red and gray bricks were used to build a decorative wall.
The number of red bricks/The number of gray bricks was 5/2. There were 175 bricks used in all. How many red bricks were used?
25
125
50
35

Respuesta :

 lets say 
Red bricks = 5x 
Gray bricks = 2x 

5x + 2x = 175 
7x = 175 
x = 175/7 
x = 25 

Red bricks =(5x) = 5 * 25 = 125 
Gray bricks =(2x) = 2* 25 = 50 
lrsamantha

Answer: it's actually 125

Step-by-step explanation:

took the test, 50 is incorrect