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Answer:
see below
Step-by-step explanation:
The cube of something to the 1/3 power is the original something. The cube of a cube root of something is the original something. Since the cube of a cube root is the same as the cube of a 1/3 power, the 1/3 power is equivalent to the cube root.
The applicable rules of exponents are ...
(a^b)^c = a^(bc)
Using the together rate, it is found that it would take Miray 4.5 hours to spread the mulch alone.
<h3>What is the together rate?</h3>The together rate is the <u>sum of each separate rate</u>.
For this problem, the rates are given as follows:
- Together: 1/2.
- Miray: 1/x, in which x is the time it would take her to spread the mulch alone.
- Raquel: 1/0.8x.
Hence, applying the together rate, we have that:
Applying cross multiplication:
x = 2 x 2.25
x = 4.5.
It would take Miray 4.5 hours to spread the mulch alone.
More can be learned about the together rate at brainly.com/question/25159431
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