Answer: 3b+3s
Step-by-step explanation:
The first part of this question is:
Rachel needs to write 3 book reports with b pages and 3 science reports with s pages during the school year. How do you write an algebraic expression for the total number of pages Rachel will need to write?
This means Rachel has to write 3b+3s pages
Now, if Yassi has to write 3(b + s) pages, we can use the distributive property and the result is:
3(b + s)=3b+3s
Which is the same number of pages Rachel has to write.
