The cost to rent a 10 feet by 10 feet storage space is different for two storage companies. The Storage Bin charges $90 per month plus a nonrefundable deposit of $120. AAA Storage charges $110 per month wit no deposit. The total cost, y, rent a 10 eet by 10 feet space depends on the of months x.

a. Write equation for each Storage company.

b. Find the number of months required for which the cost to rent space is equal for both companies.