Answer:
337.08
Step-by-step explanation:
The formula is : y = 300 x [(100+6)/100]^2 = 337.08
She needs to pay $20 more.
Mothers payment: $360 divided by 2 = $190 left for Brenda
Brenda + discount payments: $190 - $140 = $50
$50 - $30 discount = $20
x^2-2x
x(x-2)
