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netineya [11]
3 years ago
5

Please help me ASAP!!

Mathematics
2 answers:
pshichka [43]3 years ago
6 0

Answer: Supergirl = 19 and Wonder Woman = 8

<u>Step-by-step explanation:</u>

Let g represent the quantity of Supergirl keychains and w represent the quantity of Wonder Woman keychains.

                             <u>Qty</u>       <u>Cost</u>

Supergirl                 g         $3g

<u>Wonder Woman</u>  <u>   w    </u>   <u> $2w</u>

Total                       27       $73

Qty:     g +  w  = 27  →   -2(g +  w  = 27)    →    -2g - 2w = -54

Cost: 3g + 2w = 73  →     1(3g + 2w = 73)  →    <u> 3g + 2w</u> =<u>  73 </u>

                                                                            g          =  19

Input g = 19 into one of the original equations to solve for w:

 g  + w = 27

(19) + w = 27

         w = 8

marshall27 [118]3 years ago
3 0
She bought 19 supergirl and 8 Wonder Woman keychains. Good luck on the homework

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