Question

Sela estimated the sum of 76.6, 25.5, and 10.87 by rounding each number to the nearest whole.

What was Sela's estimate and what is the actual sum of the numbers?

Enter your answers in the boxes.

Sela estimated the sum to be
. The actual sum is
.

Answer 1

To find Sela's estimate, we first round each number to the nearest whole number:

- 76.6 rounds to 77
- 25.5 rounds to 26
- 10.87 rounds to 11

Now, we add the rounded numbers together for Sela's estimate:
- 77 + 26 + 11 = 114

So, Sela estimated the sum to be **114**.

Now, let's calculate the actual sum of the numbers:
- 76.6 + 25.5 + 10.87 = 113.97

So, the actual sum is **113.97**.

In summary:
Sela estimated the sum to be **114**. The actual sum is **113.97**.