Réponse:
Coucou !
1/ a) ▪︎1940s is the time when the McDonald brothers had grown dissatisfied with the drive-in business.
▪︎In 1948, the McDonald fired all their carhops, closed their restaurant and installed larger grills.
▪︎ 3 months later, the McDonald brothers reopened with a radically new method of preparing food.
▪︎For the first time, the guiding principles of a factory assembly line were applied for a commercial kitchen.
c) - The McDonald brothers' Speedee Service System revolutionized the restaurant business.
- To fill a typical order, one person grilled the hamburger, another "dressed" and wrapped it, another prepared the milk shake, another made the fries, and another worked the counter.
Voilà ! J'espère t'avoir aidé !!
