You have $900 in a checking account. You pay a $60 cell phone bill each month using this account.
1 answer:
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Answer:
The equations represent the situation is and
.
Step-by-step explanation:
Consider the provided information.
First convert the statement into mathematical representation.
Consider the smaller number is <em>x</em> and the larger number is <em>y</em>.
<em>y</em>, is equal to twice the sum of a smaller number and 3.
This information can be written as:
Which can be further solve as:
The larger number is also equal to 5 more than 3 times the smaller number.
This information can be written as:
Thus, the equations represent the situation is and
.
Which can be further solve as:
Now, substitute the value of <em>x</em> in .
Answer:
There will be 9897.47€ in the account.
La cantidad será de 9897.47€.
Step-by-step explanation:
Future value with annuity:
The future value formula, for an annuity, is:
An annuity means that a number of payments happen during the period(an year, for example.
P is the value of the deposit, r is the interest rate, as a decimal, and n is the number of deposits.
In this question:
1000 € each year, so
Interest rate of 6%, so
One application per year for 8 years, so
Total amount:
There will be 9897.47€ in the account.
La cantidad será de 9897.47€.