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Crank
2 years ago
15

Selena has $10 in her bank account and adds $10 of her allowance each month. Cooper has $100 in his account and spends $20 per m

onth on playing cards. How many months will it take for Selena and Cooper to have the same amount in their accounts? How much money will they each have at that time?
Solve using tables

Solve using graphs

Solve using substitution

Solve using elimination


I need this problem answered in every way listed, but if you only say one way that would help me so much!


Also please provide a step by step explanation or something like that if you can.


Thank you in advance :)
Mathematics
2 answers:
maxonik [38]2 years ago
7 0

Answer:

They will never have the same amount.

Step-by-step explanation:

Unless you use a number as a point "." then they will never have the same number. Sorry if this doesn't help you

jeka57 [31]2 years ago
3 0
Selina and cooper with both have $40 in their bake account at the same time in month 3 with Selina adding $10 each month and Copper taking $20 away each month.
STEP-BY-STEP
Month 1. Selina- adds $10= $20
Month 1. Cooper- takes $20= $80
Month 2. Selina - adds 10=$30
Month 2. Cooper- takes $20= $60
Month 3. Selina- adds $10= $40
Month 3. Cooper-takes $20= $40
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