Jack typed 80 words per minute when he enrolled in a typing course. His typing speed increased by 3% two weeks into the course.
1 answer:
Answer:
The answer is option C : 5%.
Step-by-step explanation:
Jack typed 80 words per minute when he enrolled in a typing course.
His typing speed increased by 3% two weeks into the course.
At the end of the course, Jack was able to type his entire 1, 680 word document In 20 minutes.
Hence, the percent of increase in his typing speed from the beginning of the course to the end is given by:
=5%
Therefore, the answer is option C : 5%.
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Answer:
Mr. Lopez delivers 1.5 tons of dog food to the animal shelter.
Step-by-step explanation:
Mr Lopez picks up 2 pallets of dog food to deliver to the animal shelter. Each pallet contains 40 bags of dog food, and the dog food weighs 37 1/2 pounds pet bag.
The weight of 1 bag of dog food =
The weight of 40 bags of dog food =
Each pallet weighs = 1500 pounds
2 pallets weighs = 1500×2=3000 pounds.
We know that 2000 pounds = 1 ton
Hence, Mr. Lopez delivers 1.5 tons of dog food to the animal shelter.
Answer:
( 0 < y < 23 / 6 ) mins
Step-by-step explanation:
Solution:-
We will define a variable ( x ) as the time it took for Jo Anne to give her speech at home.
The time taken to give her speech must always be less than 4 minutes. We can express this mathematically using an inequality as follows:
( 0 < x < 4 ) minutes
Jo Anne gave her speech which was 10 seconds less than the one she practised at home. We will convert the time in seconds to minutes as follows:
The time taken by Jo Anne to complete her speech in English class can be represented as:
y = x - 1/6
Using the range of time that Jo Anne could take in delivering her speech in the class would be:
0 < x < 4
0 - 1/6 < y < 4 - 1/6
-1/6 < y < 23 / 6
Since time can not be less than zero. We correct the lower limit to " 0 " as follows:
( 0 < y < 23 / 6 ) mins