Question

it was Stella's birthday .Her Father Bougth a Cake .Stella Gave Each of Her 7 Friends One-tenth of The Cake. What Portion of the Cake Remained
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Answer 1

Answer:

3/10 piece

Step-by-step explanation:

Piece of cake Stella Give to 1 friend = 1/10

Piece of cake Stella Give to all her Friend = 1/10 *7 = 7/10

Piece left = 1 - 7/10 = 10/10 - 7/10 = 3/10

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Answer 2

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Answer:

$\frac{3}{10}$

Step-by-step explanation:

Cake given to each 7 of her friends = $\frac{1}{10}$

Cake eaten in total = $\frac{1}{10}$ × 7

Remaining Cake = $\frac{7}{10}$ +$\frac{10}{10}$

= $\frac{3}{10}$