Please help me with this problem
1 answer:
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Answer:
The traveller's speed is 5ft/s and the walkway speed is 3ft/s
Step-by-step explanation:
Given
Represent the traveller's speed with T and the walkway's speed with W.
When the traveller walk against the walkway, we have:
---- i.e. 2ft/s against the walkway
When the traveller walk with the walkway, we have:
---- i.e. 8ft/s with the walkway
Required
Solve for W and T
--- (i)
--- (ii)
Add (i) and (ii)
Divide both sides by 2
Substitute 5 for T in (ii)
Make W the subject
Hence, the traveller's speed is 5ft/s and the walkway speed is 3ft/s
Answer:
<u>93.1 millimeters</u> is the size of the ant in the photo.
Step-by-step explanation:
Given:
A photo of an ant in a science book is increased 565% as large as the actual size.
If the ant is 14 millimeters.
Now, to find the size of the ant in the photo.
The actual size of ant = 14 millimeters.
The size of the ant in the photo is increased 565% of 14 millimeters.
Now, to get the size of the ant in the photo we put an expression:
According to question:
Therefore, 93.1 millimeters is the size of the ant in the photo.