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11111nata11111 [884]
3 years ago
14

Application:

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
3 0
2 hours = 120 minutes
120 minutes =science
140 minutes = math

She spent more time on math homework

140-120=20

She took 20 more minutes on her math homework than her science homework.
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Assuming that b ≠ a, the answers will not be the same.

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5 - 10 = -5

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So the commutative property of subtraction does not work unless in certain cases, in which a = b.

hope this helps

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