The answer is 81
9*9=81
To check, you divide 81 by 9 which=9
Answer: this is an example
If you knew the original value then you would multiply by 1.10 to calculate the price after markup. Thus if you know the price after markup you divide by 1.10 to find the original value. Hence if the price after markup is $27.50 then the original price was $27.50/1.10 = $25.00.
Step-by-step explanation:
Answer:
63
Step-by-step explanation:
Mean=Sum of all values/number of observation
=53+71+89+10+87/5
=310/5
=62
Answer: $2.40
Step-by-step explanation:
$7.20 divided by 3.
Answer:
x = (y +2)/3
Step-by-step explanation:
y= 3x-2
y+2=3x
x=(y +2)/3