Restaurant owners have to know how 1( make) food. They also have to know how to make money. Here are some things they 2 (learn) from scientific studies. The color red 3(make) people hungry. Red also makes customers 4(eat) fast food restaurants, therefore, have red furniture or walls. Soft colors like pink and light blue make people 5( relax), so they spend more time 6(eat) their meals. Soft lighting 7( make )people look good, but it makes food look bad. Loud music makes people want 8( leave). Hard seats also 9 ( make ) customers want to eat quickly and leave. Many restaurants, especially fast food restaurants, use this knowledge10 (make) customers eat faster.