Answer: he bought 6 of the .75cent then 4 of the .50c
Step-by-step explanation:
Answer:
Step-by-step explanation:
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There is 100% in 1 since this is three parts of 1 we will have to divide 100 by 4 then multiply it by 3.
After you do all the math you will get 0.75.
You can convert this to a percent by just removing the point and the zero and adding a percent at the end.
The answer is going to be 75%
The answer would be 7.99.
The frequency stays the same and the wavelength decreases.
