There were 68 plates in the sink at the end of the day. there where 40 plates at the beginning of the day. how many plates were added throughout the day. use the arrow way to show your simplifying strategy

28

Step-by-step explanation:

    -10     -10    -10   -10

68 → 58 → 48 → 38 → 28

Here is another example I can provide;

https://prnt.sc/lcgrt3

Apologies about the terrible handwriting.

the answer is a i belaeve atleast thats what my calculator just gfave me

step-by-step explanation: