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lana [24]
3 years ago
12

Water is leaking out of a container. At 2:30 p.m., there are 31 pints of water in the container. At 4 p.m., there are 22 pints o

f water in the container. If the water continues leaking out of the container at the same rate, how much water will be in the container at 6:30 p.m.?
A. 37 Pints
B. 7 Pints
C. 17 Pints
D. 19 Pints
Mathematics
1 answer:
Fofino [41]3 years ago
7 0
At 2:30 there was 31 pints
1 and half hours later (4pm) 9 pints of water was gone
So if it’s constant rate like they say...
1 hour and half after 4pm is 6:30 so you should of lost 9 more pints
22-9= 13 pints but that none of the choices is that so I’m not sure but that how you would do it
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(3x + 5y = 7<br> { 4x - y = 5
dalvyx [7]

Answer:

Step-by-step explanation:

Solution by substitution method

3x+5y=7

and 4x-y=5

Suppose,

3x+5y=7→(1)

and 4x-y=5→(2)

Taking equation (2), we have

4x-y=5

⇒y=4x-5→(3)

Putting y=4x-5 in equation (1), we get

3x+5y=7

⇒3x+5(4x-5)=7

⇒3x+20x-25=7

⇒23x-25=7

⇒23x=7+25

⇒23x=32

⇒x=32/23

→(4)

Now, Putting x=32/23

in equation (3), we get

y=4x-5

⇒y=4(32/23)-5

⇒y=(128-115)/23

⇒y=13/23

∴y=13/23   and x=32/23

5 0
2 years ago
The classrooms are trying to raise $1,200.00 for charity.
Svetradugi [14.3K]

Answer:

The classes need to raise $164.86 more to reach their goal of $1200.

Step-by-step explanation:

$1,200 total

Mrs. LeBlanc's class has raised 50% of the total, so they've raised $600.

1200/2 = 600

Mr. Patel's class has raised $235.14.

235.14 + 600 = 835.14

Ms. Warner's class has raised 1/3 of the total of Mrs. LeBlanc's class ($600), so they've raised $200.

600/3 = 200

835.14 + 200 = 1035.14

The three classes have raised a combined total of $1035.14.

1200 - 1035.14 = 164.86

The classes need to raise $164.86 more to reach their goal of $1200.

5 0
3 years ago
How do you get 189 as the answer? Please help
OLga [1]
I don't understand what one
4 0
3 years ago
I need help..... please answer ASAP if you know how to solve this
kvv77 [185]
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6 0
3 years ago
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