Answer:
8x+30=334
Step-by-step explanation:
X= the amount of cups he got and 30 is the initial fee so he only has to pay that once
The difference between both unit rates rounded off to the nearest tenth is: 0.4 meters per second
Step-by-step explanation:
We have to calculate his unit rate for both type of races
So,
<u>Unit rate for 400m race:</u>
Distance = 400m
Time = 43 sec

<u>Unit rate for 300m Race:</u>
Distance = 300m
Time = 31 sec

The difference between both unit rates is:

Hence,
The difference between both unit rates rounded off to the nearest tenth is: 0.4 meters per second
Keywords: Unit rate, Speed
Learn more about unit rate at:
#LearnwithBrainly
Answer:
-3x^2+6x-157
Step-by-step explanation:
Answer:
-9.661
Step-by-step explanation:
2880 is the answer because 4 weeks in a month then times it by 15 and get 60 the 12 times 4 and get 48 and then 48 times 60 and get 2880