Given :
Jaylen earns the same amount of money each month.
His telephone bill is 1/20 of his monthly earnings, and he pays a total of $840 each year for his telephone service.
To Find :
How much does Jaylen earn each month, in dollars.
Solution :
Monthly payment of telephone bill is :
![M = \$ (840)/(12)\\\\M = \$70](https://img.qammunity.org/2022/formulas/mathematics/high-school/fg2pu2yekj21d6i6rplib0useafo3nilr5.png)
Let, his monthly salary is A.
So,
![M = (A)/(20)\\\\A = 20* M\\\\A = 20 * 70\\\\A = \$1400](https://img.qammunity.org/2022/formulas/mathematics/high-school/fqe85lvjbyxta36k0kdrqat753o9v36hpc.png)
Therefore, Jaylen monthly income is $1400.