2 years ago

A board 120 inches long is divided into 2 sections. If the ratio of the 2 sections is 3:5, what are the lengths of the sections?

Mathematics

1 answer:

riadik2000 [5.3K]2 years ago

3 1

Answer: D.45 inches, 75 inches

Step-by-step explanation:

Hi, to answer this question, first, we have to divide the board's length by the number of parts that conforms the 2 sections.

Since the ratio is 3/5, one section is made of 3 parts and the other section is made of 5 parts. 3+5 = 8 parts

120 / 8 = 15 inches

Each part measures 15 inches.

Now, we have to multiply each part's length by the number of parts that each section has. (3 and 5)

15x 3 = 45 inches

15 x 5 = 75 inches

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