50K views · 546 reactions | Word Problem: Twenty men can cut thirty trees in four hours. If four men leave the job, how many trees will be cut in six hours? | Philippine Review Center | Facebook

9K views · 319 reactions | Did you know that trees can communicate and help each other as well as recognise family members? Learn more in 6 Minute English. We talk about it and teach you #vocabulary along the way. You can #download the text and the audio here: https://bbc.in/2Wp7uQO #learnenglish #bbclearningenglish #trees #flora #forest #elt #englishonline #englishtips #nature #vocab | BBC Learning English | Facebook