Which of the expressions are equivalent to the one below? Check all that
apply.
13x(11 + 5)

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Ответ:

kathleendthomas

30.05.2020

Mathematics

$Needed = \frac{9}{20}kg$

Step-by-step explanation:

Given

$Needed\ Flour= 1kg\ \&\ \frac{1}{4}kg$

Required

How much flour he add to $\frac{4}{5}kg$ to get the desired amount

We start by adding 1kg to 1/4kg

$Total = 1kg+ \frac{1}{4}kg$

Take LCM

$Total =\frac{4 +1 }{4}kg$

$Total = \frac{5}{4}kg$

Next, we subtract the $\frac{4}{5}kg$ from the above total

$Needed = \frac{5}{4}kg - \frac{4}{5}kg$

Take LCM

$Needed = \frac{25 - 16}{20}kg$

$Needed = \frac{9}{20}kg$

Hence; He needs $\frac{9}{20}kg$ amount of flour

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Which of the expressions are equivalent to the one below? Check all that apply. 13x(11 + 5)