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Chapter 2: Q41. (page 115)

BRACES Two out of five students in the ninth grade have braces. If there are 325 students in the ninth grade, how many have braces?

Short Answer

Expert verified

The number of students having braces is 130.

Step by step solution

01

Step 1. Write down the given statement.

It is given that 2 out of every 5 have students have braces.

02

Step 1. Write down the given statement.

It is given that 2 out of every 5 have students have braces.

03

Step 2. By method of proportion.

Let the total number of students having braces be x. Therefore the proportion can be written as:

25=x3255x=23255x=6505x5=6505x=130鈥塻迟耻诲别苍迟蝉

04

Step 3. The conclusion from the number of students having braces.

The number of students having braces are x=130鈥塻迟耻诲别苍迟蝉.

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