The given formula 
Solve for y means we have to make y alone
\\
Add -10 on both sides, we get

As there is multiplication sign between r and y so to solve for y, divide both side by r

Looks to Be answer A have a great day!
Answer: B each charm costs 15 dollars
Step-by-step explanation: because each money increment is 15$ so the answer is $15
~Brainliest would be appreciated
Answer:7
Step-by-step explanation:
Answer:10 hours to read all 250 pages
Step-by-step explanation: