What is the equation for this situation? 12+
'y
When the vendor sells
hats, he also sells 30 t-shirts.
To make $600, the vendor must sell
t-shirts if he doesn't sell any hats.
The vendor sells 10 hats. How many t-shirts does he need to sell to make $600?
:: 15
:: 7.50
:: 600
.: 20
:: 40
:: 35