Пусть
1 угол - х, тогда
2 угол - (х+118°),
так как сумма смежных углов равна 180°, значит:
х + х+118° = 180°,
2х = 180° - 118°,
2х = 62°,
х = 31° - угол 1,
х+118° = 31°+118° = 149° - угол 2
90:0,3=27 марок у брата
90-27=63 марки у сестры
Ответ: 63 марки
<span>Nick had to be at the airport at 6.30 in the morning. He ______ 1) (order) a taxi beforehand to pick him up at 5 o’clock. But the driver of the taxi ______ 2) (work) late the previous night and he _______ 3) (oversleep).Nick _____ 4) (wait) for three hours in vain. He _____ 5) (swear) quietly and went to switch the electric kettle. He ________ 6) (pour) water into the kettle when the eight o’clock pips ______ 7) (sound) on the radio. The announcer began to read the news. ”Reports _____8) (come) in of a crash near Heathrow Airport. A Boeing 707 _____ 9) (crash) shortly after taking off this morning. Flight number 8552….”.Nick turned pale.</span>