jay has two boards. the length of the first board is 1 2/3 feet, and the length of the second board is 5/8 foot. jay estimates that the combined length of the boards must be less than 2 feet.

Question

part a: is jays estimate reasonable?
A: yes jays estimate is reasonable
B: no jays estimate is not reasonable

part b: which explanation supports the correct answer to part a?
A: 2/3 > 1/2 and 5/8 > 1/2, so 1 2/3 + 5/8 < 2
B: 2/3 > 1/2 and 5/8 > 1/2, so 1 2/3 + 5/8 > 2
C: 2/3 < 1/2 and 5/8 < 1/2, so 1 2/3 + 5/8 < 2
D: 2/3 < 1/2 and 5/8 < 1/2, so 1 2/3 + 5/8 > 2

Answer 1

Part a: B: no jays estimate is not reasonable

Part b: A: 2/3 > 1/2 and 5/8 > 1/2, so 1 2/3 + 5/8 < 2