Twenty students are standing in line to buy food at a football game. The first three students spend a total of $24 on food.
(a) How much do the first three students spend on food per person?

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Ответ:

AshBorg

20.07.2020

Mathematics

For this case we have the following proportion:

$\frac {\frac {1} {2}} {\frac {2} {3}} = \frac {\frac {3} {4}} {x}$

Rewriting the given expression we have:

$\frac {1} {2} \frac {3} {2} = \frac {\frac {3} {4}} {x}\\\frac {3} {4} = \frac {\frac {3} {4}} {x}$

From here, we must clear the value of x.

We have then:

$\frac {3} {4} x = \frac {3} {4}\\x = \frac {\frac {3} {4}} {\frac {3} {4}}\\x = 1$

The value of x in the given proportion is given by:

x = 1

option A

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Twenty students are standing in line to buy food at a football game. The first three students spend a total of $24 on food. (a) How much do the first three students spend on food per person?