Rosa bought 70 feet of cable for $14.70. She needs 30 more feet. If the unit price is the same, how much will she pay for the extra 30 feet of cable?

Respuesta :

30 more feet will cost 6.30$

Step-by-step explanation:

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Answer: $6.30

Step-by-step explanation:

First you divide 14.70 by 70 (14.70÷70= 0.21)

This means 0.21 is your unit price

Secondly you multiply 0.21 and 30 (0.21×30= 6.30)