time(s) -- diagram(s) / think(s) / mapping(s) /

_ .. / experience(s) / chart(s) / design(s) / human(s) / instinct(s) / _ / .

twinkle(s) / difference(s)

Student A does exactly 9 minutes of homework nightly. Student B manages to do 11 minutes. As not to exceed these limits, they work together, using sandclocks that measure 5 and 7 minutes respectively. With this help, they manage to time their work exactly. How?

math(s) / scenario(s)

play / critical(s) / love / story / cycle(s)