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anonymous
 4 years ago
Martha went shopping & bought each of her five nephews a gift, either a video costing $14.95 or a CD costing $16.88
She spent $76.88 on their gifts.
How many videos & How many CD's did she buy?
anonymous
 4 years ago
Martha went shopping & bought each of her five nephews a gift, either a video costing $14.95 or a CD costing $16.88 She spent $76.88 on their gifts. How many videos & How many CD's did she buy?

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Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.1v+c=5 14.95v+16.88c=76.88 Multiply the second equation to get rid of the decimals Replace v in the second equation with 5c from the first equation and solve. I believe it was 10 nephews last night.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0It wasn't me. This is my 1st day on this group. Please, go check original poster from last night!

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I still don't get it.

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.1Did you multiply the second equation by 100 to get rid of the decimals?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0(100)14.95v + (100)16.88c = (100)76.88 1495v + 1688c = 7688 Is that right?

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.1Now from the first equation, v=5c replace v with 5c and solve

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.01495v + 1688c = 7688 1495(5c) + 1688c =7688 74751495c+1688c=7688 7475193c=7688 7475 7475 193c=213 Is that right?

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.17475193c=7688 Should be 7475+193c

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I got the 7475+193c=7688 I messed up my signs 7475+193c=7688 7475 7475 193c=213 c=1.10

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.1Are you sure you copied the problem right? It should come out to be a whole number of videos and cd's. Someone posted this same problem last night and I thought it was 10 nephews. Please check the problem.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Her total is $76.68 not 76.88 as I posted,

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.01495v + 1688c = 7668 1495(5c) + 1688c =7668 74751495c+1688c=7668 7475+193c=7668 7475 7475 193c=193 So she bought 1 CD

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0It makes sense. I have trouble setting up application problems.

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.1Everyone does in the beginning. The key is to keep practicing.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0How do we give medals? I am new. I would like to give u a medal
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