Answer :

Solution :

For the past m days, the average daily production at a company was 100 units per day.

$Average=\frac{SumofNumbers}{TotalNumbers}$

$100=\frac{SumofNumbers}{m}$

Sum of numbers = 100m

New Average after today's production = 110

Todays production = 180 units

$NewAverage=\frac{NewSumofNumbers}{TotalNewNumbers}$

$110=\frac{100m+180}{m+1}$

110(m + 1) = 100m + 180

110m + 110 = 100m + 180

10m = 70

m = 7