x:7/18=2/3:7/9 Помогите пожалуйста!

Вес трактора равен 60 кН,а его давление на почву равна 25 кПа. Найдите площадь опорной поверхности обеих гусениц трактора. Решите пожалуйста 

У трьох сувоях 249м90см сатину?Шовку в одному сувої у 2 рази більше,ніж сатину в одному сувої.Скільки шовку у двох сувоях?

Помогите!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Hi Hannah, Amazing news! We're finally moving house ... and it's happening in only three weeks' time! We've got a new house in Penley and we're moving there 2____ next month:3____March 12th to be exact. So we're having a leaving party for family and friends 4____ Saturday night. Sorry I didn't tell you earlier... but if you're not doing anything 5 ____ this weekend, please come! Text me tomorrow if you can ... or I'll phone 6____ a few days to check if you can come. We're SOOOOO excited about the move!! Hope to see you 7_____ the weekend! Love Annie xxxxxxxxxxx