First term =a1=5
common difference=7.5-5=10-7.5=2.5
so an=a1+(n-1)d
so
an=5+(n-1)*2.5
an=5+2.5n-2.5
an=2.5+2.5n
Answer:$81.661.2
Step-by-step explanation: subtract both the numbers and you get 816612
Answer:
10 plu 10 plus 100 plus 10 plus 10 plus 10 plus 10 plus 10 plus 5 plus 5
Step-by-step explanation:
Answer:
use math-way. it helps a lot !
Step-by-step explanation:
Answer: 57.8
Step-by-step explanation: you can eithere do 68 % 85 or other way which i forgot