First Calculate the sq. Ft of the Fence  that is as follows  6 x 25 = 150    so he has to paint 150 sq. Ft so the amount of time taken is as follows    he can pain a sq. Ft by 5 minutes ( i.e. 10 /2 )    so will take 750 … Read more

Let first integer be t and the next letter is t-1 t+t-1=145 2t=146 t=73 so the numbers are 73 & 72