Leila buys 3 cucumbers from the market. Cucumbers are $2 each. Jack buys 5 tomatoes from the grocery store.  Tomatoes are $1 each. Chase buys 1 head of lettuce from the farmer’s market.  Lettuce cost $3 each. Together, how much did the three of them spend to make a salad for the potluck?
How to solve this?