Answer :
Answer:
71
Step-by-step explanation:
start with units digit 2+9=11 (in your head) ie 1
add 5+1 +1 (carry over) =7
71 is the answer
Answer:
71
Step-by-step explanation:
start with units digit 2+9=11 (in your head) ie 1
add 5+1 +1 (carry over) =7
71 is the answer