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asalia1
 3 years ago
4pencils and five pens costs $2.00 Three pencils and four pens cost $1.58 find the cost of a pencil and the cost of a pen
asalia1
 3 years ago
4pencils and five pens costs $2.00 Three pencils and four pens cost $1.58 find the cost of a pencil and the cost of a pen

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amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1L = lead P = pen 4L + 5P = 2 3L +4P = 1.58

virtus
 3 years ago
Best ResponseYou've already chosen the best response.1asaila1 use simultaneous equations

virtus
 3 years ago
Best ResponseYou've already chosen the best response.1you should get pen = $0.24 and pencil =$0.20

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1we could multiply the top by 3 and the bottom by 4;)

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.112L +15P = 6 12L 16P = 6.32  0 P = .32 P = .32 ???

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1L = .10? lets see :) 3(.1) +4(.32) = 1.58 .3 + 1.28 = 1.58 it works

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1pencil = .10 pen = .32

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1vit; how you get yours?

virtus
 3 years ago
Best ResponseYou've already chosen the best response.1let p = pencil and x = pens so 4p + 5x =$2.00 1 and 3p +4x =$1.58 2 make p the subject in equation 1: p = (25x)/ 4 sub p into equation 2 3((25x)/ 4) + 4x =$1.58 ((615x)/4)+4x =$1.58 x+6 = $6.24 x= $0.24 sub x back into p p = (25($0.24))/4 p = $0.20

virtus
 3 years ago
Best ResponseYou've already chosen the best response.1ooops i am so sorry amistre64 you are correct i made a slight error in my calculations in my working out on paper i wrote $1.56 MY APOLOGIES I AM SO SORRY!

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1virtus; its ok :) happens to me ALLLL the time ;) its always good to have another set of eyes :)
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