13) Thirteen, 15) Fifteen, 16) Sixteen, 30) thirty, 20) Twenty 10) ten, 15) Fifteen, 40) Forty, 23) twenty-three, 25) twenty-five.
Если это время (а похоже), то
13,15 = quarter past one
16,30 = half past four
20,10 = ten past eight
15,40 = twenty to four
23,35 = twenty-five to twelve
