30% 70%      Number of pizzas with 12 slices: Number of pizzas with 8 slices:     10 total pizzas 30% of the pizzas have 12 slices each. In total, there are slices in these pizzas. 70% of the pizzas have 8 slices each. In total, there are slices in these pizzas. Altogether, there is a total of slices of pizza.