(x-9) (x+2)=x²+2x-9x-18=x²-7x-18
30 is the old value and 55 is the new value. In this case we have a positive change (increase) of 83.33333333 percent because the new value is greater than the old value. Using this tool you can find the percent increase for any value.
Answer:
1.955
Step-by-step explanation:
$31.28 ÷ 16 = 1.955
