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r-ruslan [8.4K]
3 years ago
6

30 book over 6 months how many in 7 months

Mathematics
2 answers:
VashaNatasha [74]3 years ago
6 0
If you can read 30 books in 6 months, then you would divide 30 by 6 to get 5 books in one month. (30/6=5) As a general rule of thumb, you should simplify when possible. To find out how many books you can read in 7 months, you would multiply 5 by 7 to get 35 books, which is your answer.
ioda3 years ago
4 0

Answer:

35

Step-by-step explanation:

5 times 6 is = 30

so....

5 time 7 =35

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Find a ratio of 2 kg and 750 gram​
Reptile [31]

2 kg=2000 gram

The ratio of 2000 and 750 is

2000:750=400:150=80:30=8:3

Answer: The ratio is 8:3

4 0
3 years ago
How many solutions does the equation 4p + 7 = 3 + 4 + 4p have?
KatRina [158]

Let's solve the given equation to get the answer.

4p + 7 = 3 + 4 + 4p

4p+7=7+4p By simplifying.

4p+7-4p=7+4p-4p By subtracting 4p from each sides.

7=7

From the above result notice that p has vanish and we are left with 7=7.

So, there is infinitely many solutions.

3 0
3 years ago
A northbound train and a southbound train meet each other on parallel tracks heading in opposite directions. The northbound trai
Ksju [112]
Recall your d = rt, distance = rate * time.

if, the southbound train is going at a speed of say " r " mph, since we know that the northbound one is going faster by 4 miles, than is really going at " r + 4 " mph then.

now, we know in 2.5 hours, they're 330 miles from each other, thus the southbound train has been rolling for 2.5 hours, and the northbound train has also been rolling for 2.5 hours.

if the northbound train has covered on those 2.5 hours say " d " miles, then the southbound train has covered the slack, or " 330 - d ".

\bf \begin{array}{lccclll}
&\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{t}\\
&------&------&------\\
Northbound&d&r+4&2.5\\
Southbound&330-d&r&2.5
\end{array}
\\\\\\
\begin{cases}
\boxed{d}=2.5(r+4)\\
330-d=2.5r\\
----------\\
330-\boxed{2.5(r+4)}=2.5r
\end{cases}
\\\\\\
330-2.5r-10=2.5r\implies 320=5r\implies \cfrac{320}{5}=r\implies 64=r

how fast is the northbound going?  well, r + 4.
7 0
3 years ago
What is the sun of the 9th square number and the 2nd square number?
scoray [572]

Answer:

85

Step-by-step explanation:

The 9 th square number is 9² = 81

The 2 nd square number is 2² = 4

sum = 81 + 4 = 85

3 0
3 years ago
... ...Help Please.....
yKpoI14uk [10]

The Chevrolet will go farther

Because the Chevy has more gas and miles.

8 0
3 years ago
Read 2 more answers
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