Lets look at the info we have:-
Ashley found 78 rocks on Monday.
Devin found 45 rocks on Tuesday.
Question:-
How many did they find both days?
The key word for this is "both". So we need to add here. Lets add:-
78 + 45 = 123
So, Ashley and Devin together found 123 rocks.
Hope I helped ya!! xD
Answer:
5x maybe dont take my word
8-10=-2
-2+5=3
3+7=10
10-(-20)=-10
Final score is -10 points