как расписать уравнение 500-400/(х+43)=495

Помогите придумать математическую задачу на тему "Государственный бюджет".Задание по окружающему миру 3 класс.

Помогите срочно!!!!!!!!!!!!!!

Решите пожалуйста!!!!!!!!!!

Complete the sentences. Use to where necessary.
1) We have never seen Iris ... read thick novels. 2) Jane is not allowed ... watch soap operas late at night. 3) We would like to go camping but I'm afraid our parents wouldn't let us ... do it. 4) Sue never lets her children .v. eat sweets. She thinks it is bad for their teeth. 5) We were made ... finish our translation at three. 6) Thank you for letting me ... borrow your car. 7) Make John ... prepare the papers by six o'clock. 8) I want you ... publish Peter's article in your magazine. 9) I've heard him ... offer his help to Andrew.