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11111nata11111 [884]
3 years ago
13

A school club sold 300 shirts. 31% were sold to fifth graders, 52% were sold to sixth graders, and the rest were sold to teacher

s. How many shirts were sold to each group-fifth graders, 6th graders, and teachers? Explain or show your reasoning. Please help I'm late on turning in homework!
Mathematics
2 answers:
Tamiku [17]3 years ago
4 0
300x0.31 = 93 shirts sold to 5th graders
300x0.52 = 156 shirts sold to 6th graders
156+93 = 249 shirts sold to students
300-249 = 51 shirts sold to teachers
Aleks [24]3 years ago
3 0

Answer:

5th graders = 93 people  6th graders = 156  teachers = 51

Step-by-step explanation:

93 5th graders bought shirts, 156 6th graders bought shirts, 51 teachers bought shirts

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$4500 in to the ratio 4:3:2 please help
Igoryamba

Answer:

$2000:$1500:$1000

Step-by-step explanation:

So in order to split $4500 into that proportion, we need to multiply the value by the corresponding ratios to split it properly.

There are 4 + 3 + 2 = 9 total parts to the ratio.

We know that we want the first part of the ratio to be 4/total. So we can say that:

$4500 x 4/9 = $2000. This is the first part of the ratio.

We then know the middle part of the ratio is 3/total. So we can say that:

$4500 x 3/9 = $1500. This is the middle part of the ratio.

Finally, we know that the last part of the ratio is 2/total. So we can say that:

$4500 x 2/9 = $1000. This is the last part of the ratio.

Put it all together, and we get $2000:$1500:$1000.

I hope this helps!

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3 years ago
What method of matrixes would be used for this question? ( Inverse Matrices, Cramer's Rule, Gaussian Elimination, and Gauss-Jord
aalyn [17]

Answer:

The method of matrixes that would be used for this question is Gaussian Elimination.

Step-by-step explanation:

Gaussian Elimination is a method of solving linear equations by transforming them into upper triangular form. In this case, we want to solve for the original amount of money placed in each account, which can be represented by variables x, y, and z. We can set up the equations as follows:

4x + 5.5y + 6z = 1,300

x + y + z = 24,500

4x = y

We can then use Gaussian Elimination to solve for x, y, and z.

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Step-by-step explanation:

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