Question

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? a. 224 c. 218 b. 280 d. 233

Answer 1

Answer:

(d) 233

Step-by-step explanation:

30 gram of cheese contains = 100calories

1 gram of cheese contains =

$\frac{100}{30}$

=

$\frac{10}{3} calories$

it means that 1gram of cheese contains 10/3 calories

70 gram of cheese contains =

$\frac{10 \times 70}{3} calories$

$= \frac{700}{3} = 233.33 \: calories$