4. A soap factory makes 600 units in 9 days with
help of 20 machines. How many units can be
made in 12 days with the help of 18
machines?
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Step-by-step explanation:
To find how many soaps it makes in one day is =600/9
=66.66 with the help of 20 machines
Units can be made in 12 days =66.66×12=799.92
(if it was with 20 machines)
(now we should find out how many soaps can 1 machine can make)=600÷20
=30 soaps.
Therefore in 12 days 18 machines can make
30×18=540
540×12
=6480
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