Which of the following addition problems has a sum of 1807 ?
A. 629 +829
B. 750 + 827
C. 809 + 998
D. 549 + 938
Answer:C
Which of the following addition problems has a sum of 1807 ?
A. 629 +829 B. 750 + 827 C. 809 + 998 D. 549 + 938