Question

Jenn and david shared a candy bar. jenn ate three tenths. david ate four tenths. how much is left?

Answer 1

Total amount of candy bar=1=10/10

thus total ate by them

=3/10 + 4/10

=7/10

thus left part

=10/10 - 7/10

=3/10

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Answer 2

Jenn and david shared a candy bar. $\frac{3}{10}$ is left

Solution:

Given that,

Jenn and david shared a candy bar

From given,

$Jenn\ ate = \frac{3}{10}\\\\David\ ate = \frac{4}{10}$

Find how much is ate

$Total\ eaten\ by\ Jenn\ and\ David = \frac{3}{10} + \frac{4}{10}\\\\Total\ eaten\ by\ Jenn\ and\ David = \frac{7}{10}$

Find out how much is left

$Left = 1 - \frac{7}{10}\\\\Left = \frac{10-7}{10}\\\\Left = \frac{3}{10}$

Thus $\frac{3}{10}$ is left

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