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, 3/5 are green. How many red key chains are inside the bin?
26
35
126
189

Answer 1

Step 1: \[350 \times 0.10\]
Take the answer from step 1 and plug it in for X
\[X \times 3 \over 5\]