Respuesta :

Step 1

Given;

Step 2

A) How many seniors from the class went on the field trip.

[tex]40\times\frac{7}{10}=28[/tex]

Step 3

B) How many students are in her class?

[tex]Not\text{ enough information}[/tex]

Step 4

C) How many students from her class went on the field trip?

[tex]28+30=58[/tex]

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