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Sagot :
Lucinda skied 21 miles on Sunday and twice that is 42 on Saturday.
What is the unitary method?
The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
Given:
On Saturday Lucinda skied twice as many miles as she did on Sunday.
The Total miles skied over the weekend = 63
Let the miles Lucinda skied on Sunday be = x
Thus, miles Lucinda skied on Saturday will be = 2x
The total miles skied over the weekend = x + 2x = 3x
We have:
3x = 63
Dividing both sides by 3.
x = 21
Hence, Lucinda skied 21 miles on Sunday and twice that is 42 on Saturday.
Learn more about the unitary method;
https://brainly.com/question/23423168
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