Answer:
In step 2, the subtraction property of equality was applied
In step 4, the division property of equality was applied
Step-by-step explanation:
I can't see an imagine I'm really sprry
If they're asking the distance between the tree and the man's shadow, that would be 12ft and if they're asking the distance between the tree and the actually man, that would be 15ft :).
As there are 6 friends then each friend gets an equal amount so the popcorn is 48:6 or 8:1 the unit rate is 154:6 or 24:1 so the answers are 8:1 and 24
The answer to your question is 40.5 units.