Question:

# How many minutes before 12 noon if 44 minutes ago it was 3 times as many minutes past 9am?

by Guest3426  |  11 years, 10 month(s) ago

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How many minutes before 12 noon if 44 minutes ago it was 3 times as many minutes past 9am? Please solve it. Thanks!

Tags: 12, 44, 9am, ago, MINUTES, noon, past, times

#### 5 ANSWERS

1. Guest23273126

First of all you convert the time into minutes like
9*60 = 540 minutes
12*60 = 720 minutes
Suppose x is the number of minutes before noon then,
T = 720-x.
44 minute ago is t-44
3 times past 9am is t-44 is equal to 540+ 3x
t = 584 + 3x
now you can solve it like
t= 584+3x………..i
t=720+3x……………2
taken first equation
t=584+3x
put the value of t in equation
720-x=584+3x
4x= 136
X=34

2. James Augustus

Change all hours into minutes past midnight, so 9am = 540 and noon = 720.

Let suppose x be the number of minutes before noon it is now,
so present time t is = 720 - x.

44 minutes ago (t-44) it was 3x past 9am: t-44 = 540 + 3x.

No you have simultaneous equations to solve:
t = 720 - x
t = 584 + 3x

cancel out t's:
720 - x = 584 + 3x
136 = 4x
x = 34

Now it is 34 minutes before 12 noon.

3. Guest23272653

difference between 9 am and 12 noon= 180 min
let x min ago was the time when 44 minutes ago it was three times as many minutes past 9 a.m.
so 44 min ago when time was x min to 12 noon time was 3x min past 9am
so total min in time interval 9 to 12 are 3x + 44 + x = 4x + 44
hence 4x + 44 = 180
or 4x=136
so x=34 min
so time was 34 min before 12 noon, i.e., 11:26 when 44 min ago it was 3 times as min as many min past 9 am

4. Guest23272653

I think it might be 44. I am not sure about it.

5. Guest3680372
34

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