The answer is 10 1/2.
First you need to convert 4/5 and 7/10 so the denominator is the same. 4/5=8/10, 7/10 stays the same.
Now we add= 6 8/10 +3 7/10 =9 15/10.
9 15/10=10 5/10=10 1/2.
Hope this helps and hope you have a great day and please make brainiest
speed =distance traveled over time taveled... the ansewr will be in kilometres per hour
80/400 as a decimal is 0.2
Answer:
x = 13 2/3
Step-by-step explanation: