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3 years ago

11

A couple has a 400 acre farm that they want to leave to their future grandchildren. They decide to give each grandchild 12% of t

he land remaining when the child is born. Let y be the amount of land remaining after x grandchildren are born

1 answer:

ruslelena [56]3 years ago

5 0

Answer:

48

Step-by-step explanation:

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11 tenths as a percent

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The admission fee at a zoo is $2 for children and $4 for adults. If 1800 people enter the zoo and $6000 is collected, how many a

ipn [44]

Answer:

The number of adults is $1,200$

Step-by-step explanation:

Let

x------> the number of children

y------> the number of adults

we know that

$x+y=1800$ -------> equation A

$2x+4y=6000$ -------> equation B

Multiply equation A by $-2$

$-2(x+y)=-2*1800$ --------> $-2x-2y=-3600$ ------> equation C

Adds equation B and equation C

$2x+4y=6000\\-2x-2y=-3600\\---------\\4y-2y=6000-3600\\2y=2400\\y=2400/2\\y=1200$

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umka2103 [35]

Answer:

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Step-by-step explanation:

30/-10 + -20/-1

= -3+20

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kirill115 [55]

Answer:

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