2/5 ab
2 answers:
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Natural numbers are not closed under subtraction. In fact, any operation has no solution using natural numbers.
Natural numbers are closed under multiplication. In fact, any operation means to sum
by itself
times, and we already know that natural numbers are closed under sum.
Natural numbers are not closed under division. In fact, if doesn't divide
, any operation
has no solution using natural numbers.
For this case the first thing we should do is find the percentage of people surveyed who said that pizza pizza was their favorite type of pizza.
We have then:
We are now looking for 52.5% of 1600 people.
For this, we make the following rule of three:
1600 ----------> 100%
x ---------------> 52.5%
Clearing the value of x we have:
Answer:
the most reasonable estimate for the number of Trinity Food Festival attendees whose favorite type of pizza is sausage pizza is:
x = 840
We have then:
We are now looking for 52.5% of 1600 people.
For this, we make the following rule of three:
1600 ----------> 100%
x ---------------> 52.5%
Clearing the value of x we have:
Answer:
the most reasonable estimate for the number of Trinity Food Festival attendees whose favorite type of pizza is sausage pizza is:
x = 840