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 :
[tex]M = \$ \dfrac{840}{12}\\\\M = \$70[/tex]
Let, his monthly salary is A.
So,
[tex]M = \dfrac{A}{20}\\\\A = 20\times M\\\\A = 20 \times 70\\\\A = \$1400[/tex]
Therefore, Jaylen monthly income is $1400.
