Answer to Question #299229 in Algebra for Philly

Question #299229

A jewellery store sells beads necklaces.Each necklace cost R40 for the wire and R15 per bead.There exists a linear relation between the cost if the necklace and the number of beads the necklace has.The cost,C is dependent on the number of beads,n. The graph that represents this relation correctle is?

Expert's answer

Solution:

The linear equation between C and n is:

"C=40+15n"

We can treat this as "y=40+15x"

Its graph is:

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