Answer:
The integers are "closed" under addition, multiplication and subtraction, ... The rational numbers are "closed" under addition, subtraction, and multiplication
Step-by-step explanation:
Answer:
I think it is 50 tell me if it is right
Answer:
is in proportion.
is not in proportion.
is in proportion.
is in proportion.
Step-by-step explanation:
The first example is and it is in proportion.
This is because, you will get the same simplest fraction () from the fraction by dividing its numerator and denominator by 5.
The second example is and it is not in proportion.
This is because, you can not get the simplest fraction () from the fraction after simplification.
The third example is and it is in proportion.
This is because, you will get the same simplest fraction () from the fraction by dividing its numerator and denominator by 2 and from the fraction by dividing its numerator and denominator by 3.
The fourth example is and it is in proportion.
This is because, you will get the same simplest fraction () from the fraction by dividing its numerator and denominator by 5. (Answer)