Ok so do you know the steps for substitution
Answer:
0.4
Step-by-step explanation:
To find 4/10 as a decimal, divide 4 by 10.
4 divided by 10 = 0.4!
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:
22%
Step-by-step explanation:
Given: Profit this year= $245000
Profit last year= $315000
Now, lets find the percentage decrease in profit this year.
Profit percentage=
Profit percentage=
⇒ Profit percentage=
⇒ Profit percentage=~ ≅ 22% (nearest whole percent)
∴ Percent decrease in profit is 22%