The set X = { x , {x} } would, I think, fit the Bill
So its 2 elements
Answer:
Salami?
Step-by-step explanation:
Salami is very delicious. we need to all have salami to survive.
So r+c=42
c=4+r
subsitute c=4+r for r in r+c=42
r+4+r=42
add like terms
2r+4=42
subtract 4 from both sides
2r=38
divide both sides by 2
r=19
rob=19
subsitute r=19 for r in c=4+r
c=19+4
carly=23
.83
25 bus riding sophomores / 30 sophomores
Answer:
I'm not able to answer your question
Step-by-step explanation:
due to the fact that you can't divide with multiplication I'm unsure on how to help you