Nadine collected different colored pebbles. She has 20 white pebbles and half as many red pebbles. How many pebbles does she have in all?
Please answer the following question by reasoning step-by-step.
30
Nadine has 20 / 2 = 10 red pebbles.

Thus, she has 20 + 10 = 30 pebbles.

.

The final answer: 30