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Varvara68 [4.7K]
3 years ago
5

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?
Mathematics
2 answers:
mamaluj [8]3 years ago
8 0

Answer:

Step-by-step explanation:

The total number of shirts that the school club sold is 300.

31% were sold to fifth graders. This means that the number of shirts that were sold to fifth graders is

31/100 × 300 = 0.31 × 300 = 93

52% were sold to sixth graders. This means that the number of shirts that were sold to sixth graders is

52/100 × 300 = 0.52 × 300 = 156

The total number of shirts sold to fifth graders and sixth graders is

93 + 156 = 249

The number of shirts sold to teachers is

300 - 249 = 51

sergey [27]3 years ago
5 0

Answer:

fifth graders= 93 shirts

sixth graders= 156 shirts

teachers= 51 shirts

Step-by-step explanation:

31% of 300 is 93

52% of 300 is 156

156+93= 249

300-249= 51

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Hello russell6333!

\huge \boxed{\mathfrak{Question} \downarrow}

Solve for x.

  1. 144 = 12x
  2. 45 = 4x - 27
  3. 2x - 2 = 14
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\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}

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3) \:  \:  \: 2x - 2 = 14 \\ 2x = 14 - 2 \\ 2x = 12 \\ x =  \frac{12}{2}  \\ \boxed{  \boxed{ \bf \: x = 6}}

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4) \:  \:  \: 12x = 44 - 10x \\ 12x + 10x = 44 \\ 22x = 44 \\ x =  \frac{44}{22}  \\  \boxed{\boxed{  \bf \: x = 2}}

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<h3><u>NOTE </u><u>:</u><u>-</u></h3>
  • To solve questions of these sorts, bring all the terms to one side & simplify it leaving x alone in the other side of the equation (other side of the equal to sign). After simplification you'll get the value of x.
  • Remember that the signs & operations will change when you bring a term to the other side of the equation.
  • So, addition will become subtraction, subtraction will become addition, multiplication will become division & division will become multiplication.

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Hope it'll help you!

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