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Alex73 [517]
3 years ago
11

Breanna works in the mall and her hours increase during busy shopping times of the year. Breanna has a plan to save $25 each wee

k for 5 weeks, and then increase that amount by $20 for the next 7 weeks during the busy time, then go back to $25 per week. If Breanna’s plan is to save $540, how many weeks total will she need to save?
Business
1 answer:
kari74 [83]3 years ago
6 0

Answer:

16 weeks

Explanation:

Given:

Amount saved each week in the first 5 weeks = $25

Amount saved each week in the next 7 weeks = $25 + $20 = $45

Amount saved each week afterwards = $25

Total amount to be saved = $540

Now,

The total amount saved in the first 5 weeks = $25 × 5 = $125

The total saved in the next 7 weeks = $45 × 7 = $315

Thus,

The total amount saved till now = $125 + $215 = $440

Now,

The remaining amount to be saved = $540 - $440 = $100

The time required to save the $100 = \frac{\textup{100}}{\textup{25}}

= 4

Hence,.

the total weeks required = 5 + 7 + 4 = 16 weeks

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