In an online media store, downloaded songs cost $3d each and books cost $9b each. Caleb purchased 15 songs and 3 books this month, and also paid $7 in sales tax. Write and simplify an expression to show how much Caleb spent on everything including tax.

Question

possible answers:
Caleb spent (3d + 9b + 7) dollars.
Caleb spent (72d + 7) dollars.
Caleb spent (26b + 45d + 7) dollars.
Caleb spent $79 dollars.

Answer 1

This is familiar, you can go here to see the answer:
htt ps://www.jiskha.com/questions/1879021/ (without space)

Answer 2

FYI: I changed my name

Answer 3

changed again

Answer 4

it doesnt work, the link dont work

Answer 5

Look select the link, copy and paste it into where ever you see this on the top of your screen (or partially):
htt ps://www.jiskha.com/questions/1879027/in-an-online-media-store-downloaded-songs-cost-3d-each-and-books-cost-9b-each-caleb#2289622

Then remove the space