A device calculates the worth of gem stones based on quality such that a gem with a quality rating of q - 1 is worth 5

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A device calculates the worth of gem stones based on quality such that a gem with a quality rating of q - 1 is worth 5

by BTGmoderatorLU » Wed Oct 20, 2021 10:17 am

00:00

A

B

C

D

E

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Source: Princeton Review

A device calculates the worth of gem stones based on quality such that a gem with a quality rating of q - 1 is worth 5 times more than a gem with a quality rating of q. According to this device, the worth of a gem with a quality rating of p - r is how many times greater than that of a gem with a rating of p?

A. $$p^5-r^5$$
B. $$r^5$$
C. $$(p-r^5)$$
D. $$5^{(p-r)}$$
E. $$5r$$

The OA is E

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Re: A device calculates the worth of gem stones based on quality such that a gem with a quality rating of q - 1 is worth

by rk_gmat » Wed Oct 20, 2021 1:35 pm
worth of q = q$$_{w}$$
q-1 is 1 less than q and it's worth is 5 x 1 x q$$_{w}$$

p-r is r less than p => its worth is 5xrxp $$_w$$
5r times worth of p

Hence: E

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Re: A device calculates the worth of gem stones based on quality such that a gem with a quality rating of q - 1 is worth

by regor60 » Sat Oct 23, 2021 10:39 am
Bad question. Throw it out. Answer not among choices. Beaten to death and the OP should know that.

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