Seb must confirm his records are accurate and include all transactions.

<u>**Answer:**</u>

**200 calories **and **4 grams**

<u>**Step-by-step explanation:**</u>

According to the nutrition information on the cereal box, we know that 1/2 cup gives you 150 calories and 3 grams of dietary fiber.

So one cup of cereal will give you the double of these nutrients:

300 calories and 6 grams of dietary fiber

Therefore, finding the number of calories and grams of fiber in 2/3-cup serving:

**Number of calories **= × = **200 calories**

**Grams of fiber **= × = **4 grams**