URGENT!!!!!!!!!!!

Celine has 84 multicolored rhinestones that she is using to decorate 4 backpacks. She uses the equation 4r = 84 to figure out how many rhinestones will decorate each backpack. What value when substituted for r makes the equation true?

A
4

B
16

C
18

D
21

Respuesta :

Answer:

D. 21

Step-by-step explanation:

replace 21 for r, 4(21)=84

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Answer:

D. 21

Hope this helps!

Step-by-step explanation:

Because in order to find r, you need to divide both sides by 4 to get r = 21.

So that means there will be 21 rhinestones on each backpack.