If f(a)=(a•a•a)-(a•a) + a-1 what is the value of f(-3)?
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Answer:
<h2>Mina can make 9 rolls with 4/5 of flour.</h2>Step-by-step explanation:
Givens
- Mina has 4/5 of the flour she needs to make a loaf of bread.
- 1 loaf of bread requires the same amount of flour than 12 rolls.
Basically, the problem states that with the complete flour, which is 5/5, Mina can make 12 rolls or 1 loaf of bread. Using the rule of three, if 5/5 is equivalent to 12 rolls, how many rolls would be 4/5 of the flour.
Therefore, Mina can make 9 rolls with 4/5 of flour.
(Notice that the result is 9.6, however we can't use the approximation 10, because that would imply an incomplete roll.