Step-by-step explanation:
all the fractions should have the same bottom or denominator
so I multiplied the bottom numbers together which is 140
at the top I multiplied 3 x35, 2x28 and 20x1
added them together and got
181/140
Answer:
r = 4
17 = 9 + 2r subtract both sides by 9
8 = 2r divide both sides by 2
4 = r
w=15
2w-5=30
2×15-5=30
30-5=25
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