Johnny was able to drive an average of 23 miles per hour faster in his car after the traffic cleared. He drove 30 miles in traff
1 answer:
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Answer:
Malcom's average speed was 16 miles/hour.
Step-by-step explanation:
Given:
Distance from moon ridge to me tone = 32 miles.
Now including returned back journey.
So we can say that.
Total distance traveled =
Also Given:
Time taken to travel total distance = 4 hours.
We need to find the average speed in miles per hour.
Solution:
Now we know that;
average speed is equal to Total distance traveled divided by Total time taken to travel the total distance.
framing in equation form we get;
average speed =
Hence Malcom's average speed was 16 miles/hour.
<u>The question was written by the student in a comment because the image contains no question at all.</u>
- <u>Kathy sells candles for $3 and flowers for $5. She plans to sell at least 200 items and likes to earn a minimum of $2500. </u>
Answer:
Step-by-step explanation:
<u>System of equations</u>
Kathy sells candles for $3 and flowers for $5. Let's set the following variables:
x = number of candles Kathy sells
y = number of flowers Kathy sells
She plans to sell 200 items, thus:
x + y = 200
She also likes to earn $2,500. The equation for this condition is:
3x + 5y = 2500
The system of equations is