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choli [55]
3 years ago
5

Every 11 days my dog eats 3 cupcakes. How many does my dog eat in 22 days?

Mathematics
2 answers:
Vilka [71]3 years ago
6 0

The dog eats 6 cupcakes in 22 days.

<em>(don't know why a dog would be eating cupcakes in the first place, but sometimes math questions don't make the most sense)</em>

Tcecarenko [31]3 years ago
3 0

Answer:

6 cupcakes

Step-by-step explanation:

"Every 11 days, my dog eats 3 cupcakes" can be written as a proportional relationship in fraction form: \frac{11}{3}.

Now, let's set a proportion between the values given.

  • \frac{11 days}{3 cupcakes} = \frac{22 days}{x cupcakes}

As you can see, the number of days is multiplied by 2 to get 22 days. Whatever we do to the numerator, we must do to the denominator. Then, 3 multiplied by 2 is 6.

Therefore, the answer is 6 cupcakes.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

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Given the equation 6x-3y=5.

Check all options:

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B.  \left(6,-3\right), this means that x=6, y=-3. Substitute these numbers into the left side of the equation equation:

6\cdot 6-3\cdot (-3)=36+9=45\neq 5.

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C.  \left(1,-\dfrac{11}{3}\right), this means that x=1, y=-\dfrac{11}{3}. Substitute these numbers into the left side of the equation equation:

6\cdot 1-3\cdot \left(-\dfrac{11}{3}\right)=6+11=17\neq 5.

This option is false.

D.  \left(-2,-\dfrac{17}{3}\right),  this means that x=-2, y=-\dfrac{17}{3}. Substitute these numbers into the left side of the equation equation:

6\cdot (-2)-3\cdot \left(-\dfrac{17}{3}\right)=-12+17=5.

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Answer: correct choice is D.

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