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Goshia [24]
3 years ago
9

2. A toy store worker packed two boxes of identical dolls and plush toys for shipping in boxes that weigh 1 oz when empty. One b

ox held 3 dolls and 4 plush toys. The worker marked the weight as 12 oz. The other box held 2 dolls and 3 plush toys. The worker marked the weight as 10 oz. Explain why the worker must have made a mistake.
Mathematics
2 answers:
timama [110]3 years ago
7 0
3D+4P=11
2D+3P=9

The solution to this system is not possible: plush toys weigh 5 oz. and dolls have a negative weight.
Kaylis [27]3 years ago
3 0
Plush toys weigh 5oz and dolls weigh a negative number.
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So you need to solve for the x and y values...I personally would use a graph. The is this website called desmos, it can help you with this kind of problem. You can see that the green point which is (10, 44) is on the line.. Lets check our work...

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A sign in front of a roller coaster says "You must be 40 inches tall to ride." What percentage of this height is
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Answer: he percentage of height of A is 85% and the percentage of height of B is 135% and it can be evaluated by using unitary method.

Step-by-step explanation:

he percentage of height of A is 85% and the percentage of height of B is 135% and it can be evaluated by using unitary method.

Given :

To ride on roller coaster you must be 40 inches tall.

Unitary method is used to find the percentage of height of A and percentage of height of B. Single unit is determined first in the unitary method and than multiply the single unit to find the necessary value.

Applying unitary method to determined the percentage of height of A.

Divide 34 by 40.

       

Multiply the above value by 100.

       

       = 85%

Again applying unitary method to determined the percentage of height of B.

Divide 54 by 40.

       

Multiply the above value by 100.

       

       = 135%

The percentage of height of A is 85% and the percentage of height of B is 135% and it can be evaluated by using unitary method.

For more information, refer the link given below:

brainly.com/question/20196352

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