There are at least 20 pairs of whole numbers that are equal to the sum of 40. I will list them for you~ 1+39=40 2+38= 40 3+37=40 4+36= 40 5+35=40 6+34=40 7+33=40 8+32=40 9+31= 40 10+30=40 11+29=40 12+28=40 13+27= 40 14+26=40 15+25=40 16+ 24= 40 17+23= 40 8+ 22= 40 19+21=40 <span>20+20= 40 </span>Here you go, hoped this has helped in any sort of way~
