8. Problem: Matteo is 4 feet 3 inches tall. Nico is 3 feet 11 inches tall. How much taller is Matteo than Nico?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Problem: Matteo is 4 feet 3 inches tall. Nico
is 3 feet 11 inches tall. How much taller is
SC
Matteo than Nico?
ut
8.
Transcribed Image Text:Problem: Matteo is 4 feet 3 inches tall. Nico is 3 feet 11 inches tall. How much taller is SC Matteo than Nico? ut 8.
Sarah solved this problem as follows:
3
13
4 ft 3 in
- 3 ft 11 in
2 in
So Sarah gave 2 inches as the answer. Is Sarah right?
If not, explain what is wrong with her method, and
show how to modify her method of regrouping to
make it correct. (Do not start from scratch.)
Transcribed Image Text:Sarah solved this problem as follows: 3 13 4 ft 3 in - 3 ft 11 in 2 in So Sarah gave 2 inches as the answer. Is Sarah right? If not, explain what is wrong with her method, and show how to modify her method of regrouping to make it correct. (Do not start from scratch.)
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