Answer:
1) Juans claim is incorrect. The correct experimental probablilty is 2/9
Step-by-step explanation:
5.75 quarts of paint required for the project
Explanation:
Usually one quart of paint cover 100 square feet
Since, a gallon covers 250 square feet, it means that
one gallon of paint is equal to
quarts of paint.
Number of gallon required to paint 575 square feet,

So, 2.3 gallons is equal to,

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The average speed of Joshua during that time is 2500 m/h.
Explanation:
It is given that Joshua started cycling at 5:15 pm. By 8:09 pm he has covered a distance of 7250 m.
The total time taken by Joshua from 5:15 pm to 8:09 pm is

Dividing we get,

Adding, we have,

Thus, the total time taken by Joshua is 
To determine the average speed we use the formula,

where
and 
Hence, substituting the values we have,

Dividing, we get,

Thus, the average speed of Joshua during that time is 2500 m/h.