i need the formula for the following...

jennifer now earns $250 more than three times the salary she earned as a cashier. If she now earns $10,300 how much did she earn as a cashier?

thank you

4 answers

Let x = her cashier's salary.

3x + 250 = 10,300
3350
$3350
Let cashiers salary be x

Cashiers salary = x

3x+250=10300 ( cuz she earns 10300 now )

3x =10300-250
3x= 10050/3

x= 3350