so 4/12 would be equivalent to 1/3 and 15/35 is equivalent to 3/7 ,next is 9/15 and the denominator is 15 and a less one would be 3/5 ,next is 12/20 and the denominator greater would be 18/30.
Answer:
I think A
Step-by-step explanation:
Answer: 180 i think
Step-by-step explanation: .5*200+.2X=.3(200+X)
100+.2X=60+.3X
.2X-.3X=60-100
-.1X=-40
X=-40/-.1
X=400 OUNCES OF 20% COPPER.
PROOF
.5*200+.2*400=.3(200+400)
100+80=.3*600
100+80=180
180=180
Answer:
1152\pi\
Step-by-step explanation:
Answer:
Step-by-step explanation:
the answer is 189
