Asked by Jenny
Given 2<a<3, 5<b<6 Find:a-b
Answers
Answered by
mathhelper
2<a<3
5<b<6
2-5 < a-b < 3-6
-3 < a-b < -3 , by the "sandwich concept"
a-b = -3
5<b<6
2-5 < a-b < 3-6
-3 < a-b < -3 , by the "sandwich concept"
a-b = -3
Answered by
oobleck
the largest a-b will be when the smallest b is subtracted from the largest a.
and the reverse for the smallest a-b. So,
2-6 < a-b < 3-5
-4 < a-b < -2
and the reverse for the smallest a-b. So,
2-6 < a-b < 3-5
-4 < a-b < -2
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