Ratios & Proportions Practice Test

A recipe uses the ratio of flour to sugar to butter as $7:3:4$ by weight. A baker makes a batch using $540$ grams of butter and keeps the ratio the same. What is the total weight of flour, sugar, and butter in the batch, in grams?​​

A scale model car is built so that $4.5$ cm on the model represents $1.2$ m on the real car. The real car’s height is $1.56$ m, and its length is $4.68$ m. What is the model’s height-to-length ratio, in simplest form?​​