The price of a pizza with three toppings is $12.99. Extra toppings
cost $0.60 each. Frank’s bill is $15.39.
Select all equations that can be used
to determine the number of extra
toppings on Frank’s pizza.
1.) 2.4 = 0.6(t + 3)
2.) 2.4 = 0.6 - 18t
3.) 12.99 + 0.6t = 15.39
4.) 15.39 - 12.99/0.6 = t
5.) 2.4 = 0.6t