Riverview Farms sold a combined total of 396 watermelons and cantaloupes. they sold 126 more watermelons than cantaloupes. Use n to represent the number of cantaloupes. Which equation could be used to solve for n?
Answers:
n + 126 = 396
n - 126 = 396
2n - 126 = 396
2n + 126 = 396

I think it's a or d but i'm not sure.