Answer:
your all good
Step-by-step explanation:
great job!
It comes out to 0.8775 so it rounds to about $0.88
Answer:
X : red marble
Y: blue marble
X+Y= 81 (•)
Y= 5X+3 (••)
>>> 6X+3= 81 >>>> x=13 and y = 68
Yes, as long as thy have the same variable. In this case 6r-15r would be -9r