R= 8
C= 2,5•r+15
C= 2,5•8+15
C= 20+15
C= 35
Nina's total cost will be 35 $, £, € (i don't know which of them)
Here ya go answer down below
Answer:
first explain what you need help with specifically then maybe people can help, to bland of a question
Melanie needs $18 more dollars. joseph has sold 5 boxes which means he has $20 and melanie has sold 3 which means she has $12 so 30-12=18
Surprise, there 8 letters.
So, 8*7*6*5*4*3*2*1= 40, 320
