1. "I saw you in the shop, but you were too busy choosing tiles to see me," said Ali, "A job at home?" "It's our back patio," Beth replied. "You know it's square, all square tiles. Now we want to enlarge it, so I was getting an additional forty-nine of the same size tiles that I'll need." How many tiles would that make altogether?

New total 556 tiles

New total 490 tiles

New total 625 tiles