There are about 100 calories in 30 grams of swiss cheese. ruth ate 70 grams of this cheese. about how many calories were in the cheese that she ate if the number of calories varies directly as the weight of the cheese?

233.33 calories

The cheese in this question has 100 calorie/30 grams and Ruth ate 70 grams of that cheese. To find the number of calories that Ruth ate, then you just need to multiply the mass with the calorie. The calculation will do as follow:
70grams * (100 calorie/30grams)= 233.33 calories

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