Marcus wrote down a pair of two-digit numbers. When he subtracted the second number from the first one the difference was 50. How many different pairs of numbers could Marcus
have written down?

A.50
b. 40
C, 10
d. 30
e 60

(2,9)

i think thats the answer i checked it on google

i believe the answers 600m

37 = ending with 7

unit's digit in the cube..3

56 = ending with 6

unit's digit in the cube..2

133 = ending with

unit's digit in the cube..7

hope it : ( : )