Question

Simon makes 30 cakes.
He gives 1/5 of them to Sali.
He gives 10% of the 30 cakes to Jane.

What fraction of the 30 cakes does he have left?

Answer 1

Answer:

Step-by-step explanation:

1/5 of 30 is 6. So sali got 6 cakes.

10% of 30 is 3. So Jane got 3 cakes.

9 cakes out of 30 gone. 21 left

Fraction left is 21/30 or 7/10 After simplification

Answer 2

Answer:

Simon had gave Sali 6 cakes while he gave Jane 3 cakes so out of 30 he has 21 left or 21/30.

Step-by-step explanation:

The reasoning is that Jane has 3 cakes is because 30 cakes is 100% and 10% of the cakes is in the equation of 100/10 then you put in 30 cakes then they will be divided by 10 to get 3. Sali has 6 cakes if you multiply 5*X=30 so you divide 30 by 5 to get 6. Then you add 3+6=9 then subtract 30-9 then you have a answer of 21.  

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