div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader042fdocumentsinreader042viewer20220410035ea57ec12f10c70b243b5216html5page1jpg target=_blank img data-url=documentscanned-by-can-do-a-piece-of-work-in-4-hours-b-and-c-together-can-do-it-in-3-hourshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Scanned by CamScanner can do a piece of work in 4 hours B and C together can do it in 3 hours while A and C together can do it in 2 hours How long will B A fort had provision loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsinreader042viewer20220410035ea57ec12f10c70b243b5216html5thumbnails1jpg width=140 height=200 adivpScanned by CamScannerpdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader042fdocumentsinreader042viewer20220410035ea57ec12f10c70b243b5216html5page2jpg target=_blank img data-url=documentscanned-by-can-do-a-piece-of-work-in-4-hours-b-and-c-together-can-do-it-in-3-hourshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Scanned by CamScanner can do a piece of work in 4 hours B and C together can do it in 3 hours while A and C together can do it in 2 hours How long will B A fort had provision loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsinreader042viewer20220410035ea57ec12f10c70b243b5216html5thumbnails2jpg width=140 height=200 adivpScanned by CamScannerpdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader042fdocumentsinreader042viewer20220410035ea57ec12f10c70b243b5216html5page3jpg target=_blank img data-url=documentscanned-by-can-do-a-piece-of-work-in-4-hours-b-and-c-together-can-do-it-in-3-hourshtmlpage=3 data-page=3 class=trans-thumb lazyload...