Yoyooydfnrngjgj Yoyooydfnrngjgj 27-09-2022 Mathematics contestada H. The prices of two games are in the ratio a: b. If both prices were decreased by £10, the ratio would become 3 : 5. If both prices were increased by £5, the ratio would become 3 : 4. Work out the ratio a : b in the simplest form.