Marsha can cook 5 cakes or 10 pizzas in an hour. howard can cook 3 cakes or 12 pizzas in an hour. which item should each person specialize in?

Marsha should specialize in cooking cakes because she can bake cakes faster.
PROOF that she can bake cakes faster
5cakes in 60minutes--in fraction form is 5/60 reducing in the fraction shows that Marsha can cook 1 cake in 12 minutes. while Howard 3/60 can only bake 1 cake in 20.

Howard should specialize is Pizza because he cook pizzas faster than Marsha.
PROOF(same concept as last)
Marsha 10/60->1/6= 1 pizza in 6 minutes
Howard 12/60->1/5= 1 pizza in 5 minutes

Hnmmmn not sure