A serving of salsa contains one-fourth of the number of calories of the same-sized serving of guacamole. Find the number of calories in each snack if they contain a total of calories.
a) Salsa: 75 calories, Guacamole: 300 calories
b) Salsa: 50 calories, Guacamole: 200 calories
c) Salsa: 100 calories, Guacamole: 400 calories
d) Salsa: 150 calories, Guacamole: 600 calories
