$565+$65= 630
630/30 would be 21
it would take him 21 weeks to pay off his sister and buy the bike
Answer:
3b = 27
Step-by-step explanation:
They will each receive 9 books
Answer:

Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
<h3>given:</h3>
<h3>let's solve:</h3>



Answer:
10
Step-by-step explanation:
Answer:
Step-by-step explanation: