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?
Please answer the following question by reasoning step-by-step.
20
Combining Tuesday and Monday, Ali sold 4 + 8 = 12 flowers.

On Friday, he sold 2 * 4 = 8 flowers.

Altogether, Ali sold 12 + 8 = 20 flowers.

.

The final answer: 20