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You need to have at least $100 in your checking account to avoid a low balance fee. You have $247 in your account, and you make withdrawals of $20 per week. What are the possible numbers of weeks that you can avoid paying the fee? Solve this problem using two different methods. PLEASE HELP

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zexius
Okay, so you need at least $100 in your account to avoid the fee.

You currently have $247.

And you also take out $20, every week.

So first, work out the maximum amount of money you can take out before reaching the limit. (247 - 100 = 147).

Now that we know you can take out $147 max, you just need to divide it by $20, because that's how much you take out every week. (147 ÷ 20 = 7.35 weeks.) But of course, the question is asking for the answer in weeks, so you round the answer down to 7 weeks.

You can last 7 weeks by taking out $20 every week from your $247 balance to avoid the low balance fee. 
DrShrimpPuertoRico

7 WEEKS is how long you can last.

First off, you need at least $100 in your account to avoid the fee and you currently have $247. With that being said, you're taking out $20 every week.

The first thing you can do would be to start at $147 (since that's $100 less than what you can use) and divide that by 20 (since that's what you're taking out every week) 147 / 20 = 7.35. That's 7 weeks because you have to round down to the nearest whole number.

Second What you can do to find how many weeks you can take this out by starting at $100 and adding $20 for every week. So 120, 140, 160, 180, 200, 220, 240. This also gives you 7.

You can take $20 out of your account for 7 WEEKS until you have to pay the low-balance fee.

May I have brainliest please? :)

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