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sergij07 [2.7K]
3 years ago
7

The results of a survey of customers at PetSmart showed that 27 owned dogs, 38 owned cats, and 16 owned both dogs and cats. How

many people were surveyed?
Mathematics
1 answer:
Leokris [45]3 years ago
4 0

Answer:

81 people

Step-by-step explanation:

addition pretty much

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148

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The cost of 7 books was $154.40. How much does each book cost?
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2. Order 3.3,3.19,3 1/5,3 1/3.
cricket20 [7]
2.
3\frac15=3.2\\ 3\frac13=3.33333...

3.19, \ \ \ 3\frac15, \ \ \ 3.3, \ \ \ 3\frac13

3.
20\%\cdot1500\$=0.2\cdot1500\$=300\$

4.
\frac{600g}{3kg}=\frac{600g}{3000g}=\frac{600g}{5\cdot600g}=\frac15
This fraction is \frac15

5. 
10^3+10^2+10+1=1000+100+10+1=1111

6. 6.7\cdot5\$=33.5\$

7. 
180-40\%\cdot180=180-0.4\cdot180=180-72=108

8.
9^2-4\cdot9=81-36=45

9.
from 8.45am to 12.45pm - 4 hours
\$15\cdot4=\$60
I earn \$60

10.
48 minutes = 1 hour - 12 min
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11. 
34.1^oC-27.6^oC=6.5^oC

12. 
8\frac14 \ h= 8h \ 15min
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13.
12\cdot108=1296

14.
\overline{x}=\frac{8.2+9.4+3.5+2.9}4=\frac{24}4=6

15.
48\cdot26=1248 \ \ \ - \ \ \ total \ amount \ of \ lolipops \ in \ 48 \ bags\\ 1248\cdot20g=24960g = \boxed{24.96kg} \ \ \ - \ \ \  total \ weight \ of \ the \  48  \ bags\\

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3 years ago
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