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asambeis [7]
3 years ago
11

Sue baked cookies for a school fundraiser. She sold three-fourths of the cookies during the first two hours of the fundraiser. S

he sold one-third of the remaining cookies during the next hour. If Sue had 12 cookies left, how many cookies did she bake?
Mathematics
1 answer:
Charra [1.4K]3 years ago
6 0
The answer is she as 21 cookies left to sold until she is done in the fundraiser that her school is having.
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Can you guys help me with this 2 problems pls
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Step-by-step explanation:

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.......................
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astraxan [27]

Answer:

1/64

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
Find the least number which must be added to 6203 to obtain a perfect square.
andrey2020 [161]

Answer:

79

Step-by-step explanation:

       78

         ---------

7 |       62 03 

          49

         ----------

148 |   13 03

          11 84

         -----------

            19

         -----------

78^2 = 6084.

We observe that 78^2 < 6203.

79^2 = 6241.

We observe that 79^2 > 6203.

Hence the number to be added to 6203 is 6241 - 6203 = 38.

6203 + 38 = 3241

                  = 79 * 79

                  = 79.

Therefore 38 should be added to 6203 to obtain a perfect square.

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You travel 5 miles downstream in a kayak at a speed of r miles per hour. You turn around and travel 6 miles upstream at a speed
Vlad1618 [11]
Kyle, d = rt, right? This means that t = d/r. If we call the rate of the current c, then her rate upstream is hindered by the current and is 3 - c. Downstream is 3 + c. The total time is 6 hours... 5/(3 - c) + 5/(3 + c) = 6 Once we put everything over the same denominator, we don't need it anymore. 5(3 + c) + 5(3 - c) = 6(3 - c)(3 + c) 15 + 5c + 15 - 5c = 54 - 6c2
30 = 54 - 6c26c2 = 24c2 = 4c = 2 2 mph 
3 0
3 years ago
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