Question

Question #please answer this#. The product of two numbers is 1998.If the product of their ones digit is 28 and that of tens digit is 15,find the numbers

Answer 1

what do you say I can not under stand

Answer 2

15 can be broken as 3 into 5 only
28 can be broken as 7×4 only
so to get 1998 product
one no. must have 4 as uniy digit and other 7 as unit digit
54×37
or 57×34
54×37 is the answer