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Marina86 [1]
3 years ago
11

Anet has $120.if she saves $20 per week, in how many days will she have $500

Mathematics
1 answer:
Alina [70]3 years ago
7 0
So start of by making the equation 500=120+20x. x is representing the number of weeks. Solve for x by subtracting 120 from both sides (380=20x). Now divide both sides by 20 (19=x). You know it will take 19 weeks; however, the question asks how many days. Since there are 7 days in a week, just multiple 7x19. The answer is 133 days.
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Let's solve this problem step-by-step.

STEP-BY-STEP EXPLANATION:

Let's first establish the problem as the following:

= 78.32 / 0.22

First, we will make the deniminator a whole number. In order to accomplish this, we will multiply both the numerator and denominator in the fraction by 100.

= ( 78.32 × 100 ) / ( 0.22 × 100 )

= 7832 / 22

Next we will divide both the numerator and denominator by the highest common factor ( HCF ) of the two numbers in order to simplify the fraction fully.

The highest common factor of 7832 and 22 is 22.

HCF = 22

This means that we will divide both the numerstor and denominator of the fraction by 22.

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= 356 / 1

= 356

FINAL ANSWER:

Therefore, the answer is: 356.

Hope this helps! :)
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