Respuesta :
Answer:
The percentage increase is approximately 7.14%
Step-by-step explanation:
If Nintendo Switch cost $280
If you make down payment of $20 and $70 for 4 months, we will have
$20 + ($70) × 4
$20 + $280
= $300
The interest is $300 - $280
= $20
Percentage increase = (20/280) × 100
= 100/14
≈ 7.14%