My question is in this doc. if you don't know the answer don't try! and no guessing please!

At which value in the domain does f(x) =0?

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Is there an x intercept in the equation 60*1.15^x