Question

y-5 двацатых= 5/8- 3/10

Answer 1

Y-5/20=5/8-3/10; Y=25/40-12/40+10/40; Y=23/40

Answer 2

y-5/20=5/8-3/10.
y=25/40+10/40-12/40.
y=23/40.
Ответ: 23/40.