E:very large numbers
hope this helps, pal
28min/2lawns = 14min per lawn. Then 14min * 5 lawns = 70min
If you would like to evaluate u + xy, you can do this using the following steps:
u = 18, x = 10, y = 8
u + xy = 18 + 10 * 8 = 18 + 80 = 98
The correct result would be C. 98.