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patriot [66]
3 years ago
13

It takes 2/3 of an hour to paint 2/5 of a room. How long does it take to paint 2/5 of a room?

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
8 0

It will take 40 minutes.

To solve, divide 60 by 3. 60 is how many minutes there are in a minute. 3 is how long it takes to paint 2/5 of the room. We do not need to use the number 2/5 in this situation. Now back to 60 divided by 3. The answer is 20 minutes. Now multiply 20 by 2 to get 2/3 of an hour. Therefore, it takes 40 minutes to paint 2/5 of a room.

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crimeas [40]
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5 0
3 years ago
Sophia's school has 23 classrooms. Each classroom has 10 tables. How many tables are there in the school? ​
amid [387]
If there is 23 classrooms and each has 10 then you would have to times 23 by 10 - 23x10=230
4 0
3 years ago
Read 2 more answers
A segment with endpoints A (3, 4) and C (5, 11) is partitioned by a point B such that AB and BC form a 2:3 ratio. Find B.
Dima020 [189]

Answer:

(3.8, 6.8)

Step-by-step explanation:

Point B:

Has coordinates (x,y)

AB and BC form a 2:3 ratio.

This means that:

B - A = \frac{2}{2+3}(C - A)

B - A = \frac{2}{5}(C - A)

We apply this both for the x-coordinate and for the y-coordinate.

x-coordinate:

x-coordinate of A: 3

x-coordinate of C: 5

x-coordinate of B: x

B - A = \frac{2}{5}(C - A)

x - 3 = \frac{2}{5}(5 - 3)

x - 3 = \frac{4}{5}

x = 0.8 + 3 = 3.8

y-coordinate:

y-coordinate of A: 4

y-coordinate of C: 11

y-coordinate of B: y

B - A = \frac{2}{5}(C - A)

y - 4 = \frac{2}{5}(11 - 4)

y - 4 = \frac{14}{5}

y = 2.8 + 4 = 6.8

Thus the correct answer is:

(3.8, 6.8)

7 0
3 years ago
Read 2 more answers
Use long division to find the quotient of 405 and 27
asambeis [7]

27|405 27*1=27
- 27 27*5=135
-------
135
-135
--------
0

Answer is 6 :v
7 0
3 years ago
22 = 3x - 10 and 23 = x + 30 x = [?]​
Vlad [161]

Answer:

48

Step-by-step explanation:

7 0
3 years ago
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