All you have to do is write like five sentences to your future self??? That doesn't even require brainpower my dude.
"Hey future me! Hope you're doing well. I wonder what I'm like? Maybe I have a cool job. Maybe I won the lottery!!! I just want you to know that if times are hard, you're gonna get through it because you are a tough cookie. YES YOU!
sincerely,
you"
easy as that lol
Answer:
one side would be 15, you need to do 15x4 to find the whole pyramid, so it would be 60
Step-by-step explanation: