A plastic bin contains red, yellow, and green key chains. Out of 350 key chains, 10% percent are yellow. Of the remaining key chains, are green. How many red key chains are inside the bin?
A.
26
B.
35
C.
126
D.
189

Question

A plastic bin contains red, yellow, and green key chains. Out of 350 key chains, 10% percent are yellow. Of the remaining key chains, are green. How many red key chains are inside the bin?
A. 
26
B. 
35
C. 
126
D. 
189

russkaya05 · Answer

Red+green+yellow=350

10% out of 350 are yellow
0.1 times 350=35

350-35=315

3/5 out of 315 are green
red is not green so
2/5 of what is left is red
2/5 of 315 is red
2/5 times 315=430/5=126

126 red

try this please i think thats how it works

russkaya05 · Answer

text me if it is correct

Hero · Answer

And how do you know how many are green @russkaya05

russkaya05 · Answer

I just explained it on top

russkaya05 · Answer

$$3/5$$ out of 315 are green

Hero · Answer

The given information only says 10% are yellow. It doesn't say how many are green. @russkaya05