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ddd [48]
2 years ago
7

What is the difference between 693.45 and 23.791?

Mathematics
1 answer:
KatRina [158]2 years ago
4 0
669.659 just subtract
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Can someone smart please help me?
ollegr [7]
Hello! 

For a:

How I would do this, is I would first say if all 46 animals (heads) were chickens, how many legs would there be? Each chicken has 2 legs, so 46 * 2 = 92. The total amount of legs is 96 as stated in the question, so if all of the animals were chickens, the farmer would be 4 legs short.

Now to add rabbits into the equation. Rabbits have 4 legs, and chickens have 2. You want to find the difference between the two, because as you add rabbits to the animals the farmer has, then you have to take away chickens at the same time. 4-2 = 2, so for each rabbit you replace, you add 2 legs. 

Since the farmer is 4 legs short with all chickens, then you just divide that 4 by the 2 legs you add by replacing a chicken with a rabbit.

4 / 2 = 2 rabbits

So that means there are 2 rabbits. Since there are 46 heads in total, if 2 are rabbits, that means there are 44 chickens.

So there are 44 chickens and 2 rabbits.

b)

You can follow the same steps: I'm assuming all are child tickets for now:

3.05 * 100 = $305

And now you find how much money short you are.

498.6 - 305 = 193.6

Next, you find the difference in the ticket costs.

5.25 - 3.05 = 2.20

And you divide to find the number of adult tickets.

193.6 / 2.2 = 88

Since 100 tickets were sold, and 88 adult tickets were sold, that means 12 child tickets were sold.
7 0
3 years ago
A new car that sells for $19,000 depreciates (decreases in value) 21% each year. What is the decay factor, b? 0.79 0.21 79 21
laiz [17]
The decay factor is 0.21 ((:
3 0
3 years ago
Read 2 more answers
Help after this I only have 5 points
Lena [83]

We break all the bracket out :

-0.75 + 2/5 + 0.4 - 3/4

2/5 = 0.4
-3/4 = -0.75
So, we have : -0.75 + 0.4 + 0.4 - 0.75
= (-0.75 - 0.75) + (0.4 + 0.4) = -1.5 + 0.8 = -0.7

3 0
2 years ago
A bakery charges $14.00 for 4 croissant sandwiches. What is the unit rate?
xxMikexx [17]

Answer:

The unit rate is given as $3.5 per croissant sandwiches.

Step-by-step explanation:

The total charges are $14.00

There are 4 such croissant sandwiches.

<em>The unit rate is given as, A rate is a special ratio in which the two terms are in different units. When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates.</em>

Thus the unit rate is given as ,

= \frac{14}{4} = \frac{7}{2} = 3.5

Thus the unit rate is given as<em> $3.5 per croissant sandwiches.</em>

5 0
2 years ago
A tree in Susan's backyard has been growing for 2 1/2 years. The tree is 3/5 meters tall. What is the unit rate in meters per ye
liubo4ka [24]

Hope the attachment helps

4 0
2 years ago
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