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3 years ago

6

In South Australia, an average of 16 400 000 packets of chips were eaten each day. After a campaign by the health department thi

s amount reduced by 3.9 million.
How many packets of crisps were eaten after the campaign?

1 answer:

Dmitrij [34]3 years ago

5 0

16,400,000 - 3,900,000 = 12,500,000

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A carnival charges two different prices for admissions. Adults cost $4 while children cost $1.50. If a total of $5050 was collec

GenaCL600 [577]

Answer:

Step-by-step explanation:

We have to have 2 different equations to solve this. One equation will represent the number of tickets sold while the other represents the money collected when the tickets were sold.

We know that adult tickets + children tickets = 2200 tickets.

That's the "number of tickets" equation. Let's call adult tickets "a" and children's tickets "c". So a + c = 2200

Now if each adult costs $4, then the expression that represents that as a cost is 4a. If there is 1 adult, the cost is $4(1) = $4; if there are 2 adults, the cost is $4(2) = $8; if there are 3 adults, the cost is $4(3) = $12, etc.

The same goes for the children's tickets. If each child's ticket is $1.50, then the expression that represents the cost of a child's ticket is 1.5c (we don't need the 0 at the end; it doesn't change anything to drop it off). The total money brought in from the cost of these tickets was $5050, so

4a + 1.5c = 5050

Let's solve the first equation for a. If a + c = 2200, then a = 2200 - c. Sub that into the second equation and solve it for c:

4(2200 - c) + 1.5c = 5050 and

8800 - 4c + 1.5c = 5050 and

-2.5c = -3750 so

c = 1500

That means that there were 1500 children's tickets sold. If a + c = 2200, then a + 1500 = 2200 so

a = 2200 - 1500 so

a = 700

There were 1500 children's tickets sold and 700 adult tickets sold.

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3 years ago

How long is 10% of 60 minutes. Explain how you know.

DiKsa [7]

Answer:

6 minutes

Step-by-step explanation:

60 * 10% =

60 * 0.1 =

6

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3 years ago

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If you roll a fair six-sided die and a fair four-sided die, what is the probability that the dice add to 7?

sveticcg [70]

1/6.

For any given roll on a four-sided die, there is exactly one roll on a six-sided die (1/6 chance) which will sum to 7.

Since it doesn’t matter what you roll on the four-sided die, the chance is always 1/6 with a fair six-sided die.

One interesting result of this is that only the 6-sided die has the be fair for this result to hold. The 4-sided die can be very biased in any direction and the final result will still be 1/6.

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3 years ago

a 12- inch ruler is duvided into 3 parts. the large part is 3 times longer than the small. the meddium part is times longer than

damaskus [11]

Answer:

2 inches

Step-by-step explanation:

x= smallest

3x=largest

2x=medium

x+3x+2x=12

6x=12

x=2

so smallest is 2

largest is 6 (3x)

medium is 4 (2x)

2+6+4=12

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3 years ago

What is the slope of the line that contains the pionts (2,3) (2,-4)

Free_Kalibri [48]

Answer:

There is no slope

Step-by-step explanation:

If the x-coordinates are the same, then that means there's no slope and is a straight vertical line.

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