If a bag has 45 blue marbles, then the bag contains 56 orange marbles and this can be determined by using the unitary method.
Given :
Each marble bag sold by Linda's Marble Company contains 4 orange marbles for every 5 blue marbles.
The following steps can be used in order to determine the number of orange marbles in a bag that has 45 blue marbles:
Step 1 - The unitary method can be used in order to determine the number of orange marbles in a bag that has 45 blue marbles.
Step 2 - If there are 4 orange marbles for every 5 blue marbles. So, for 1 blue marble there is a total of:
[tex]=\dfrac{4}{5}[/tex]
Step 3 - Now, if there are 1 orange marble for every 4/5 blue marble then for 45 blue marbles there is a total of:
[tex]=\dfrac{45}{\dfrac{4}{5}}\times 1[/tex]
Step 4 - Simplify the above expression.
[tex]=56.25 \approx 56[/tex]
So, if a bag has 45 blue marbles, then the bag contains 56 orange marbles.
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https://brainly.com/question/24406804
