It takes 6 minutes for the printer to print 21 photos
Let the two numbers be x and y.
x + y = 86
+
x - y = 12
_________
2x + 0 = 98
__________
2x = 98
x = 98/2
x = 49
From x + y = 86
49 + y = 86
y = 86 - 49
y = 37
The numbers are 49 and 37.
This would be 56 - p because 'fewer' indicates subtraction.
It will definitely be a positive
1 hour is 15m
2 hour is 30m
3 hour is 65m
4 hour is 80m
