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Answer: 17 people
3/(1/5) + (2/5)/(1/5) = 3*5+2=17
Answer:
there are 19 unfavorable spots in 21 for Daeshon,
thus Pr = 19/21 [ B ] <----
Answer:angle 1=90 angle 2=45 angle 3=45
Step-by-step explanation:
Answer:
1:4
Step-by-step explanation:
Let X be the quantity of 30% acid and Y be the quantity of 5% acid.
0.3X + 0.05Y = 0.1(X+Y)
0.3X + 0.05Y = 0.1X + 0.1Y
0.3X - 0.1X = 0.1Y - 0.05Y
0.2X = 0.05Y
X/Y = 0.05/0.2
X/Y = 1/4
X:Y = 1:4