Okay so for Mike, he has $22 in his account.
He deposits $11.50 in it each week, and they want to know how much he has in 12 weeks.
First, multiply $11.50 * 12, which is $138. Then add the $22 that's already in the account, which brings him to $160.
Now for Tim,
He has $218 and withdraws $13 every week.
13 * 12 = 156
Now subtract 218 and 156
218 - 156 = 62
So at the end of 12 weeks, Mike has $160 dollars in his account, and Tim has $62 in his account.
The accounts will have the same balance after 8 weeks , Account Balance for Mike and Tim after 12 years = $160 and $62.
The amount present at any time in a person's account is called account balance.
It is a sum and difference of the amount deposited and withdrawn from the account .
It is given that
Mike has $22 in his bank account
He deposits $11.50 each week.
Tim has $218 in his account
He withdraws $13 each week.
the accounts have the same balance = when ?
money will each of them have after 12 weeks = ?
The equation for Mike = 22 + 11.5 * x
The equation for Tim = 218 - 13 * x
These equation represents the account balance at any time
The time at which the account balance will be equal
22 + 11.5 x = 218 - 13 * x
24.5 x = 196
x = 8
the accounts will have the same balance after 8 weeks.
After 12 weeks
Account Balance for Mike = 22 + 11.5 * x
= 22 + 11.5 * 12
= $160
Account Balance for Tim = 218 - 13 * x
= 218 - 13 * 12
= $62
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