cement -- 2x pails
sand --- 5x pails , notice 2x : 5x = 2:5
given: 2x = 24 ---> x = 12
so sand = 5x = 5(12) = 60 pails
do b) the same way ...
5x = 35
etc
mr kim mixes cement&sand to make a mixture.he uses 2 pails of cement for every 5 pails of sand.
a) if he uses 24 pails of cement,how many pails of sand does he use?
b) if he uses 35 pails of sand,how many pails of cement does he use?
2 answers
It should be 14
1 answer