I'm probably answering this incorrectly but I'll try.
2.50(4) = 10
50(16) = 800
10 + 800 = 810
The extra is confusing me. Does it come from the very beginning of the trip or does it only count after the first 4 kilometers?
That expression can’t be simplified and the answer is unknown. Finding what 3x+4y is impossible unless more information is provided.
Answer:Bc there r more students that have an A it is more likely that a student earned an A on the math test :) hope that helped