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melisa1 [442]
3 years ago
14

Three hens can lay 3 eggs in 3 days. a In how many days can 7 hens lay 7 eggs?

Mathematics
2 answers:
Ann [662]3 years ago
7 0
In 49 days they can lay 7 eggs
Kazeer [188]3 years ago
7 0

Answer:

3 days obviously

Step-by-step explanation:

From statement one, you know that it takes 3 days for a hen to a egg, so it would take 3 days for each hen to lay an egg

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More brinliest if its right :D im horrible at math
olga55 [171]

Answer:

No

Step-by-step explanation:

because the unit rate is 6 miles per hour for the first one and 10 miles per hour for the second

8 0
3 years ago
Read 2 more answers
2% of 250 this is worth probaly eleven points plz help me find the percent of the quantity ​
lapo4ka [179]

Answer:

= 5

Step-by-step explanation:

(2/100) × (250/1)

multiply the numerators

500/100

5/1

= 5

7 0
3 years ago
A, b, c and d are positive integers, such that a+b+ ab = 76, c+d+ cd = 54. Find (a+b+c+d)·a·b·c·d.
lutik1710 [3]

Notice that

(1 + <em>x</em>)(1 + <em>y</em>) = 1 + <em>x</em> + <em>y</em> + <em>x y</em>

So we can add 1 to both sides of both equations, and we use the property above to get

<em>a</em> + <em>b</em> + <em>a b</em> = 76  ==>  (1 + <em>a</em>)(1 + <em>b</em>) = 77

and

<em>c</em> + <em>d</em> + <em>c d</em> = 54  ==>  (1 + <em>c</em>)(1 + <em>d</em>) = 55

Now, 77 = 7*11 and 55 = 5*11, so we get

<em>a</em> + 1 = 7  ==>  <em>a</em> = 6

<em>b</em> + 1 = 11  ==>  <em>b</em> = 10

(or the other way around, since the given relations are symmetric)

and

<em>c</em> + 1 = 5  ==>  <em>c</em> = 4

<em>d</em> + 1 = 11  ==>  <em>d</em> = 10

Now substitute these values into the desired quantity:

(<em>a</em> + <em>b</em> + <em>c</em> + <em>d</em>) <em>a</em> <em>b</em> <em>c</em> <em>d</em> = 72,000

6 0
3 years ago
after she wrote a check for $240, May bounced had a balance in her checking account of -$6. what was her balance be for she wrot
Mandarinka [93]
The answer is $246 u just add $240+$6
7 0
3 years ago
What is the distance between 31 and negative 1?
Ket [755]

Answer:

30 -0 +1 +2+3 then go on from there on positives

Step-by-step explanation:

4 0
2 years ago
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