Answer:
10 hours
Step-by-step explanation:
Let represent the distance the train heading north has traveled
Let represent the distance the train heading south has traveled
Let represent the number of hours that has passed
I think the correct answer would be : b. 4x(7+6) = (4 x 7) + (4 x6)
I hope this helps !
Lets call the number 'n'
plus means addition
is means the equal sign
so that as an expression would be
n+4=7
Answer:
The large coffee costs 85 cents. One donut costs 52 cents.
Step-by-step explanation:
It‘s a system of equation so it’s a lot of work to show. I attached the piece of scratch paper I was doing my work on, but let me know if something needs some more explaining, or if you want me to type it out for you.