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Sav [38]
3 years ago
11

john is n years old. kim is three years younger than john. vanessa is half kim's age. write an expression for each persons age.

Mathematics
1 answer:
Leto [7]3 years ago
6 0
Vanessa×2=kim
kim+3=john
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Please beging help me thanks ​
ivolga24 [154]

Answer:

1)\frac{7}{12} 2)\frac{1}{4}  3)\frac{2}{12} 4)Rs.36 000

Step-by-step explanation:

1)1/3+1/4=4/12+3/12

             =7/12

2)remaining=12/12-7/12

                   =5/12

 other expenses=5/12*3/5

                            =1/4

3)total=7/12+1/4

          =7/12+3/12

          =10/12

          =5/6

remaining=6/6-5/6

                =1/6

fraction of the salary=1/6*2

                                  =2/12

4)1/6=rs.6000

   6/6=rs,36 000

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2 years ago
Please guys solve Ex:4 ,i don't know it​
steposvetlana [31]

Step-by-step explanation:

all you have to doe is type Ex:4 into the calculator and you should get your answer.

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Please Help, Lots of points
Andrei [34K]

Answer:

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Step-by-step explanation:

x = cat

y = dog

Set up equations.

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Substitute this y value into the first equation

x + y = 30

x + 21 = 30

x = 9

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