You have three bags, each containing two marbles. Bag A contains two white marbles, Bag B contains two black marbles, and Bag C
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Given
New mail carrier takes 4 hours for delivery i.e.
New mail carrier completes part of work in 1 hour
Old mail carrier takes 3 hours for delivery i.e.
mail carrier completes part of work in 1 hour
If they work together, they complete the work in x hours i.e.