A sundae with 1 topping is $0.99, with 4 toppings is $1.74, and with 7 toppings is $2.49.
Which equation represents the cost of the sundae, c, given number of toppings, t?
A. C= 0.25t + 0.74
B. c = 0.74 +0.25
Ο Ο Ο Ο
C. c = 0.75t + 0.99
D. c = 0.99 +0.75