Answer:
The answer is incorrect because 12 should be negative not positive.
Step-by-step explanation:
1. 19 + -31 = - 12
2. Twelve is negative because if you were to start off at -31 and add 19 the answer would remain negative since -31 in a sense is "bigger" than 19. You would need more of a positive number to make -31 positive such as 40.
40+ -31 = 9
Answer:
To find how tall he was at the end of the school year, you add his height at the beginning of the year and during the school year. First you should just add the inches.
2 1/4 + 7/8
The common denominator is 8.
2 2/8 + 7/8
2 9/8
3 1/8
Put back in the 5 ft.
So, Jerry was 5ft and 3 1/8 inches at the end of the school year.
Hope this helped! :)
