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liq [111]
3 years ago
11

You have ​$95 in your bank account. Each week you plan to deposit ​$9 from your allowance and ​$10 from your paycheck. The equat

ion b​=95+(10+9​)w gives the amount b in your account after w weeks. How many weeks from now will you have ​$220 in your bank​ account?
There will be ​$220 in the account after ___ weeks

Mathematics
1 answer:
kotykmax [81]3 years ago
8 0

Answer:

7 weeks

Step-by-step explanation:

b​=95+(10+9​)w

Combine like terms

b​=95+(19​)w

Let b = 220

220 = 95 + 19w

Subtract 95 from each side

220-95 = 19w

125 = 19w

Divide each side by 19

125/19 = w

6.578947368

Round up

After 7 week

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