7. A sequence starts at 400 and 90 is added each time: 400, 490, 580, 670, ... What is the first number in the sequence that is greater than 1000?

Question

Вопрос:

Accepted Answer

Добавляем 90 к каждому предыдущему числу: 670 + 90 = 760, 760 + 90 = 850, 850 + 90 = 940, 940 + 90 = 1030.

Ответ: 1030.