Answer:16
Step-by-step explanation:16-4=12
It’s colder in Oslo, -12.
Answer:
The required system of equations is:
Step-by-step explanation:
First of all, the variables have to be selected to represent the quantities.
Let m be the number of male friends and let f be the number of female friends.
Then according to first statement "John has 30 friends"
And according to second statement "amount of male friends is 4 more than the number of female friends."
Hence the required system of equations is: