Ariel's guitar teacher charged $35 each month for lessons. Her new rate is $40 a month.

How much more will Ariel have to pay for lessons for 4 months at the new rate?

$160

$200

$20

$40

$20

Step-by-step explanation:

The teacher increased the monthly charge by 40-35=$5 per month. This means that every month, Ariel will have to pay $5 more at the new rate. Therefore, after 4 months, she will have paid 5*4 = $20 more. Hope this helps!

ok

step-by-step explanation:

correct answer:

b.(19,-2)