I need help with these two

Answer:
first one:6.46
second one:7.25
Step-by-step explanation:
for the first one I simply added the two numbers.
for the second one,I divided 66.70 by 9.2
Answer:
The answer to number 18 is 6.46 and 19 is 7.25
Step-by-step explanation:
3.76 + 2.7 = 6.46
66.70/9.2 =7.25