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MaRussiya [10]
3 years ago
12

You estimate that there are 75 marbles in a jar. The actual amount is 82 marbles. Find the percent error

Mathematics
1 answer:
Vikentia [17]3 years ago
5 0

Answer:

Percent Error:: 12/36 = 33 1/3 %

Step-by-step explanation:

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At an amusement park , the cost of 3 adult tickets and 4 children’s ticket is $126.50 another customer paid $120.50 for 2 adult
KonstantinChe [14]

Answer:

1 Adult ticket=$21.50 ; 1 Children ticket=$15.50

Step-by-step explanation:

3A+4C=126.50

2A+5C=120.50

We find the price of adult tickets 1st.

15A+20C=632.5

8A+20C=482

7A=632.5-482=150.5

1A=21.50

Now we find Children ticket

6A+8C=253

6A+15C=361.50

7C=108.50

1C=15.50

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Step-by-step explanation:

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