456 divided by 12= 38
Therefore his car travelled 38 miles per gallon of gas used.
Answer:
the answer is add.
Step-by-step explanation:
adding -3x and 3x will eliminate them both.
Answer: no it did not double
(this is for 2 only)
Step-by-step explanation: if it would have doubled the population would be 10,616,966
Answer: $10
Step-by-step explanation:
Given
Robin and his four friends bought tickets for
each
If each one of them bought a calculator then the total spendings are 
Suppose the cost of each calculator is 
Cost per person is given by 
For the group, it is 
Equate this to total spendings

thus, the cost of each calculator is 
I’ll be sad with you but do you also want to talk about it?