Answer:
1 ornament per 3 hours
in 15 hours she will have 7.5 of them done
Answer: <em>81</em>
Step-by-step explanation:
<em>3^4</em>
<em>3x3x3x3</em>
<em>3x3=9</em>
<em>9x3=27</em>
<em>27x3=</em><em>81</em>
62.5/100 and 0.625 are both equivalent.
4x/15 = 60/x
4x^2 = 900
x^2 = 225
x = 15
Answer:

Step-by-step explanation:
see the attached figure to better understand the problem
step 1
In the right triangle ABC find the length side BC
we know that


step 2
In the right triangle ABD find the length side BD
we know that


step 3
we know that
The distance between the two boats is the length side CD

substitute the values
