A shoe store sells sneakers and sandals. They began with x sneakers and y sandals in inventory ready to sell. The sneakers are sold for $60 each. The sandals are sold for $30 each. So far they have sold one-third of their sneakers and 70% of their sandals. What is their total income from the sales in terms of x and y?

1. How many sneakers have they sold so far?

2. how many sandals have they sold so far?

3. What is their income from sneakers?

4. What is their income from sandals?

5. Finally, let's answer the question. What is their total store income from selling the sneakers and sandals?

Thanks A-Billion!

#1. 1/3 x

#2 7/10 y
#3 1/3 x * 60
#4 7/10 y * 30
#5 #3 + #4