Ali has a small flower shop. He sold 4 flowers on Monday, 8 flowers on Tuesday and on Friday, he sold double the number of flowers he sold on Monday. How many flowers does Ali sell?
Combining Tuesday and Monday, Ali sold 4 + 8 = <<4+8=12>>12 flowers.
On Friday, he sold 2 * 4 = <<2*4=8>>8 flowers.
Altogether, Ali sold 12 + 8 = <<12+8=20>>20 flowers.
#### 20