Question

Arlene made a necklace using red and silver beads in the ratio 4 to 1. The necklace used beads altogether. How many silver beads did Arlene use to make the necklace?

Answers:
12
15
36
48

Answer 1

You are missing the part of the question that states how many beads total were used.

Answer 2

exactly, so my school screwed up on that one.

Answer 3

They sure did.

Answer 4

This is where they goofed.

Answer 5

Ok so the problem is definitely solvable then.

Answer 6

I went ahead a chose 15 because it seemed like it would work.

Answer 7

You just simply couldn't copy the 60 over because it was an image, but I'll solve the problem for you:

Answer 8

Let x represent the number of silver beads. Then
60 = 4x + x
60 = 5x
x = 12.

Hence Arlene used 12 beads.

Answer 9

Hence Arlene used 12 silver beads.*

Answer 10

A public library has fiction and nonfiction books in the ratio . If the library has fiction books, how many nonfiction books does it have?

Answers:
72
120
180
240