+27 You want to add a tablet to a current cell phone plan and you are comparing 2 different companies. Horizon Wireless charges a monthly usage fee of $9 plus $4.50 per gigabyte of data used. G-Mobile charges a monthly usage fee of $16 plus $1.00 per gigabyte of data used. Find the number of gigabytes used for which the charges for both companies would be the same.
