☰ Contents · Mathematics

Problems with proportions. Direct and inverse proportionality

Lessons 23–24 · 2 lessons · M.A. Mirzaahmedov, A.A. Rahimqoriyev, Sh.N. Ismailov, M.A. To‘xtaxodjayeva. Mathematics Grade 6, 2nd edition. O‘qituvchi NMIU, Tashkent, 2017
Answers are for parents and teachers.
1
In x : 8 = 15 : 24, find x.
2
6 notebooks cost 15,000 soms. How many soms do 10 cost?
3
In 18 : x = 6 : 5, find x.
4
4 pumps fill a pool in 9 hours. In how many hours do 6 pumps fill it?
5
Give one real-life example of direct and one of inverse proportion.