Answer:

c. 50

add lang po yan

23 + 27 = 50

for easy solution follow these:

add the values of tens

20 is the tens in 23

20 is the tens in 27

so we got 40

then add the ones

3 is the ones of 23

7 is the ones of 7

equals 10

so add 40 + 10 = 50