Solve the Problem. -Barges from Ports X and Y Went to Cities a to Cities

Solve the problem.
-Barges from ports X and Y went to cities A and B. X sent 30 barges and Y sent 8. City A received 21 barges and B received 17. Shipping costs $220 from X to A, $300 from X to B, $400 from Y to A, and $180 from Y to B. $8760
Was spent. How many barges went where?

A) 15 from X to A
B) 17 from X to A
C) 19 from X to A
D) 21 from X to A 15 from X to B 17 from X to B 11 from X to B 9 from X to B
6 from Y to A 4 from Y to A 2 from Y to A 0 from Y to A
2 from Y to B 4 from Y to B 6 from Y to B 8 from Y to B