Melinda purchased 3 blank cassette tapes and 5 blank videotapes for a total of $22.10 not including tax. if each videotape cost twice the price of cassette tape, what did melinda pay for 1 videotape?

The cost of 1 videotape  =  $ 3.4

Step-by-step explanation:

Let us assume the cost of each cassette tap  = $ m

So, the cost of each videotape  = 2 x ( Cost of 1 cassette)  = 2 x  m = 2 m

Now, the cost of 3 cassette tap = 3 x ( Cost of 1 cassette)  = 3  x  m = 3 m

Also, the cost of 5 videotape = 5 x ( Cost of 5 videotape)  = 5  x  (2m) = 10 m

So, the cost of 3 cassette tap + 5 videotape  = 3 m + 10 m

Also, given 3 blank cassette tapes and 5 blank videotapes  costs $22.10 .

⇒ 3 m + 10 m = $22.10

or, 13 m =  22.10

⇒ m = 22.10/13  =1.7

or, m = $1.7

Hence, the cost of 1 cassette = m = $1.7

And, the cost of 1 videotape  = 2 m = 2x ($1.7) =  $ 3.4

c

step-by-step explanation:

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