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Sixteen students have cell phones. Five of the cell phones have touch screens. Out of 144 students' cell phones how many would you expect to have tounch screens?

Relax

Respuesta :

5:16 = ratio of touch screen cell phones to students.
Times both by 9(144 / 16) = 45
You would expect 45 students to have cell phones.

Hope this helps.
abigail100
You would expect at least 45 students to have touch screen phones.

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