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Cora bought 80 feet of cable for ​$22.40. She needs 30 more feet. If the unit price is the​ same, how much will she pay for the extra 30 feet of cable she will pay extra $ how much will she pay

Sagot :

Gandrews86idn

Answer:

$8.40

Step-by-step explanation:

divide 22.40 buy how much feet (22.40 divide by 80=0.28) 28cents per foot

0.28 plus the 30 more feet and the 80 feet she already has

80 plus 30 is 110

110 (the amount of feet in cable) times 28 cents a foot is

she will pay 30.80 which is 30.80

-22.40

8 dollars and 40 cents more

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