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love history [14]
3 years ago
11

leticia spent $11.19 on a bag of blue and red candy and the bag weighed 11 pounds if the red candy coast $1.29 per pound and the

blue candy coast $0.79 per pound how much of each candy did she buy ?
Mathematics
2 answers:
sdas [7]3 years ago
8 0

Step-by-step explanation:

x- red candy

y- blue candy

x + y = 11

1.29x + .79y = 11.19

129x +79y = 1119

-129x -129y = -1419

-50y = -300

y = 6 lbs. blue

x + 6 = 11

x = 5 lbs. red

Verdich [7]3 years ago
6 0

Answer:

[<em>b,</em><em> </em><em>r</em>] → [$5, $6]

Step-by-step explanation:

{11 = <em>r</em><em> </em>+ <em>b</em>

{11,19 = 1,29<em>r</em> + 0,79<em>b</em>

-1,2658227848[11,19 = 1,29<em>r</em> + 0,79<em>b</em>]

{11 = r + b

{-14,164556962 = -1,6329113924<em>r</em> - <em>b</em>

________________________________________

-3,164556962 = -1,6329113924<em>r</em>

______________ ________________

-1,6329113924 -1,6329113924

6 ≈ <em>r</em><em> </em>[Plug this back into both equations to get an approximate b-value of 5]; 5 ≈ <em>b</em>

I hope this helps you out alot, and as always, I am joyous to assist anyone at any time.

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