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Junior Class 5 Answered

Ram Kumar mixes cement with sand for some repairs work to be carried out in his house.He used 23/5 kgs of cement and 1/2 kg more of sand than cement.In all he needs 1o kgs. Does he have enough mix if yes how much more does he have,if no how much more he need.
Asked by dinesh.sla | 25 Aug, 2018, 05:59: PM
answered-by-expert Expert Answer
begin mathsize 16px style cement space space equals space 23 over 5 kgs space equals space 4.6 space kgs sand space equals space 23 over 5 space plus space 1 half equals space fraction numerator 23 space cross times space 2 over denominator 10 space end fraction plus space fraction numerator 1 space cross times space 5 over denominator 10 end fraction equals space 5.1 kgs cement space plus space sand space equals space 4.6 space plus space 5.1 space equals space 9.7 space kgs Total space mix space required space equals space 10 space kg He space need space 10 space minus space 9.7 space equals space 0.3 space kg space equals space 300 gms space mix space more. end style
Answered by Yasmeen Khan | 26 Aug, 2018, 12:40: PM

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