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-BARSIC- [3]
3 years ago
10

Pls help our teacher didn’t explain how to solve these. also show work

Mathematics
1 answer:
Ratling [72]3 years ago
3 0

Answer:

15) f = 18

3f = 54

6f = 108

16) k = 69

Step-by-step explanation:

15)

3f + 6f + f = 180

10f= 180

f = 18

16)

42 + k + k = 180

42 + 2k = 180

2k = 138

k = 69

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