Question

La mamá de perla fue al mercado y compro 2 Kg de tomate en $30.60 y 3 Kg de papa en $45.50. ¿Cuanto le dieron de cambio si pago con un billete de $100.00?

          La mamá de perla fue al mercado y compro 2 Kg de tomate en $30.60 y 3 Kg de papa en $45.50. ¿Cuanto le dieron de cambio si pago con un billete de $100.00?
        

Added by Danielle I.

Elementary and Intermediate Algebra
Elementary and Intermediate Algebra
Alan S. Tussy, R. David Gustafson 5th Edition
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La mamá de perla fue al mercado y compro 2 Kg de tomate en $30.60 y 3 Kg de papa en $45.50. ¿Cuanto le dieron de cambio si pago con un billete de $100.00?
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Transcript

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00:01 So what we want to find here to answer the question at the very end, we got to know how much does it cost for the one pound package of bacon and how much it's a cost for a carton of eggs.
00:14 And then we can answer the question.
00:15 We got to know those first.
00:16 So what we'll do is set the equations up.
00:18 The wife here does buy three of those packages of bacon, so three of the bacon plus two of the cartons of eggs.
00:28 So two eggs.
00:29 So do 2 e here.
00:31 And she spends a total of 1345, so 1345.
00:38 And then the other person goes and buys two of the bacon, so two of the packs, she's a bacon, so 2b, and also three cards baked, so 3.
00:52 And this person spends, oh, it spends 1145.
00:58 Okay, so now we've got to kind of figure out this out.
01:01 I like the bs here and i want to turn them both into six b.
01:06 So i'm going to multiply the first one by two and get a, you know, six b plus 4e and then 13 .45 times two.
01:16 I'm looking at 2690 here, 26 .9.
01:20 And then multiply the second one by three so i can get six as well...
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