Question

To find the sum of 49 and 307 in her head, Tosha followed these steps.

She added 49 to 300 and got 349.

She then added 349 to 7 and got 356.

Which statement is true?

Tosha's answer is wrong. She added 349 to 7 incorrectly.
Tosha's answer is wrong. She should have added 70 to 349.
Tosha's answer is wrong. She added 49 to 300 incorrectly.
Tosha's answer is right.

Answer 1

Answer:

Tosha's answer is right.

Step-by-step explanation:

$\begin{array}{cccc}&3&0&0\\+& &4&9\\&3&4&9\end{array}\right]$

$349+7=356$

Answer 2

Answer:

Tosha's answer is right

Step-by-step explanation:

Her answer is right because 49+300=349 and 349+7=356