Question

Mrs. Smith's class is collecting rocks.

On the first day, the students bring in 20 rocks.

The class continues to bring in 10 rocks each day.

How many rocks do they have on the fourth day? Enter your answer in the box.

(1 point)
rocks

Answers

GPT-4o mini
To find out how many rocks Mrs. Smith's class has on the fourth day, we can calculate it step by step.

- On the first day, they bring in 20 rocks.
- For the next three days, they bring in 10 rocks each day.

So, the total number of rocks collected by the end of the fourth day is:

1. Rocks on the first day: 20
2. Rocks on the second day: 10
3. Rocks on the third day: 10
4. Rocks on the fourth day: 10

Now, we can add them all together:

20 + 10 + 10 + 10 = 60

Therefore, Mrs. Smith's class has **60 rocks** on the fourth day.

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