The least common multiple of 18 and 28 is 252
the common multiple of 7 and 4 is 28
Answer:
Not sure if this is exactly the same,but hopefully it answers your questions.
The given ratio is:

To find the unit cost per ounce, we can use proportions as follows:

Now, solve for x:

The cost per ounce (unit cost) is then $0.12/oz
A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y = 7 − x 2 y=7-x2. what are the dimensions of such a rectangle with the greatest possible area?
Answer:
the number of protons identifies what element it is, since it has 35 protons it is Bromine
number of protons=atomic number