A small submarine travels at a speed of 2.4 km per hour. How far will the submarine travel in 0.25 hours
2 answers:
Answer:
Step-by-step explanation:
Distance (how far the submarine travelled) can be found by multiplying the speed by the time.
The speed is 2.4 kilometers per hour.
The time is 0.25 hours.
Substitute the values into the formula.
Multiply. Note that the hours (hr) will cancel each other out.
The submarine travelled <u>0.6 kilometers</u> in 0.25 hours.
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Answer:
One rose bush = $3
One bunch of ornamental grass = $4
Step-by-step explanation:
We can set up a system of equations to solve for this. Let cost of 1 rose bush be r and cost of 1 ornamental grass be g. Thus we can form 2 equations:
We can multiply the first equation by -2 so that we can eliminate g. Thus, we have:
Thus, 1 rose bush is $3. Now plugging in r = 3 into the first original equation, we can solve for g:
Thus, 1 bunch of ornamental grass is $4.