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Pachacha [2.7K]
3 years ago
13

Mr rowley has 16 homework papers and 14 exit tickets to return. Ms ribera has 64 homework papers and 60 exit tickets to return.

For each teacher, write a ratio to represent the number of homework papers to number of exit tickets they have to return. Are the ratios equivalent? Explain.
Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
7 0
Mr. Rowley has 16 homework papers to 14 exit tickets; Ms. Rivera has 64 homework papers to 60 exit tickets. No, the ratios are not equivalent because Mr. Rowley’s unit rate is 8/7, or approximately 1.14, and Ms. Rivera’s unit rate is 16/15, or approximately 1.07
Alexxx [7]3 years ago
7 0

no, the ratios are not equivalent because Ms. Rowley's unit rate is 8/7 and Ms. Rivera's unit rate is 16/15

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A farmer was asked how many cows and chickens she has. The farmer replied, "between the cows and the chickens, there are 162 eye
Kazeer [188]
<h2>☀️ <u>Solution</u><u>:</u></h2>

We all know that,

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  • All hens have 2 feet

So, Let the no. of cows be x and chickens be y

According to question,

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Framing equation,

⇛ Eyes of cows + Eyes of chickens = 162

⇛ 2x + 2y = 162

⇛ 2(x + y) = 162

⇛ x + y = 162/2 = 81 -----------(1)

According to question(Cond.-1)

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Framing equation,

⇛ Feet of cows + Feet of chickens = 270

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⇛ 2(2x + y) = 270

⇛ 2x + y = 135 ----------(2)

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⇛ 2x + y - x - y = 54

⇛ x = 54

Putting value of x in eq.(1),

⇛ 54 + y = 81

⇛ y = 81 - 54

⇛ y = 27

⚘ So, Total number of animals,

  • Number of cows = x = 54
  • Number of chickens = y = 27

Hence, solved !!

<u>━━━━━━━━━━━━━━━━━━━━</u>

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It’s c bc the square root of 9 is 3, while square root of 2 is not a clean answer
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