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vaieri [72.5K]
3 years ago
12

laura goes shopping she spends one fourth of her money on a pair of shorts and one third of her remaining money on a belt if lau

ra has $42 dollars left after these two purchases how much money did she have when she started shopping?
Mathematics
1 answer:
Vlad [161]3 years ago
4 0

Answer:

84 dollars

Step-by-step explanation:

use x to represent the amount of money Laura had when she started shopping.

use y to represent the amount of money she had left after buying a pair of shorts.

You can create these two equations:

3/4x=y

2/3x=42

now, subsitute the value of y into the second equation.

2/3(3/4x)=42

1/2x=42

x=84

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Step-by-step explanation:

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3 0
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3 years ago
how many minutes is it before 12 noon if 20 minutes ago it was three times as many minutes after 9 am
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First, change everything into minutes.
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X is now your number of minutes before noon.So noon - x is the next step:
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<span>
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7 0
3 years ago
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Step-by-step explanation:

<em>option</em><em> </em><em>D </em><em>is </em><em>correct</em><em>,</em>

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