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worty [1.4K]
3 years ago
14

Of the 520 students participating in a chess tournament, 35% were male. How many females were in the tournament?

Mathematics
2 answers:
elena55 [62]3 years ago
8 0

Answer:

182

Step-by-step explanation:

take 520 and multiply by 0.35

choli [55]3 years ago
3 0

Step-by-step explanation:

100% = 520

35% = X(less)

35×520/100% = x

182 = number of male

Therefore number of female

= 520-182

= 338

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3 years ago
5. Paul is x years old.
AlexFokin [52]

Answer:  A) The equation will be     x + 4x + x + 10 = 82   B) Paul's age is 12, Rebecca's age is 48  and Gemma's age is 22.

Step-by-step explanation:

We will represent Paul's age by    the equation  p= x  where p is Paul

We will represent Rebecca's age by the equation  r = 4x  Where r is Rebecca

We will represent Gemma's age by the equation g = x + 10  where g is also Gemma's age.

We given that the sum of their ages is 82 years so meaning that  x + 4x + x + 10  has to equal 82.

A) The equation will be     x + 4x + x + 10 = 82  

Solve for the x equation to find Paul age because his age is x.

B)  (x) + (4x) + (x+10) = 82   combine like terms on the left side

    6x + 10 = 82

           -10    -10

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3 years ago
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