A random sample of adults were asked the question "How much do you personally worry about global warming?" The two-way table of *column* relative frequencies below shows the responses of adults in the age groups $18$ to $29$ and $50$ to $64$. The poll included $350$ adults age $18$ to $29$. | Age $18$ to $29$| Age $50$ to $64$ | - | :-: | :-: **A great deal** | $0.38$| $0.32$ | **Fair amount** | $0.32$ | $0.18$ **Only a little$/$not at all** | $0.30$ | $0.50$ | **Column total** | $1.00$ | $1.00$ | **How many *total* adults in the age groups shown answered "A great deal"?** [[☃ radio 1]]