A woman bought some large frames for $13 each and some small frames for $5 each at a closeout sale. If she bought 23 frames for $171, find how many of each type she bought.

The answer to your question is 7 large and 16 small

Step-by-step explanation:

Data

cost large frame = $13

cost small frame = $5

total number of frames = 23

total cost = $171

large frame = l

small frame = s

Process

- Write equations that help to solve the problem

              l  +  s  =  23                 Equation l

            13l +  5s = 171                 Equation ll

-Multiply equation l by -5

          -5l - 5s  = -115

           13l + 5s = 171

           8l  + 0 = 56

                   8l = 56

                     l = 56/8

                     l = 7

-Find s

           7 + s = 23

                 s = 23 - 7

                 s = 16

-Conclusion

She bought 7 large frames and 16 small frames.

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step-by-step explanation:

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step-by-step explanation: