Her statue is 20cm because 5ftx12cm is 60ft. therefore the statue should be 60ft in total. 60÷4=20 therefore her drawing is 20cm tall.
A example of a Proper fraction is D =3/4
The company should produce "85" DVD's to maximize the profit.
According to the question,
The profit P for producing n DVD copies are
Let,
- The number of units be "n".
Now,
To find the minimize profit,
→ 
→ 
By substracting "3.4" from both the sides, we get
→ 
→ 
→ 
→
Thus the answer above is right.
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