Asked by Pam
How would you solve these compound inequalities word problems?
1. The human ear can distinguish sounds between 20Hz and 20,000 Hz, inclusive.
2. For a man to box as a welterweight, he must weigh more than 140 lbs, but at most 147 lbs.
1. The human ear can distinguish sounds between 20Hz and 20,000 Hz, inclusive.
2. For a man to box as a welterweight, he must weigh more than 140 lbs, but at most 147 lbs.
Answers
Answered by
Reiny
The solution would simply be the statement of the inequality
e.g. 2.
if x is the number of lbs, then
140 < x ≤ 147
notice 140 is excluded , but 147 is included
Do #1 the same way
e.g. 2.
if x is the number of lbs, then
140 < x ≤ 147
notice 140 is excluded , but 147 is included
Do #1 the same way
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