7 * 0.5 + 3 * 0.8 = 3.5 + 2.4 = 5.9
<span>5.9/10 X 100 = 59%
</span><span>59% concentration of new mixture</span>
Answer:
9
Step-by-step explanation:
I'M TELLING U THE ANSWER IS 9
The percent of decrease is $0.73. To get that subtract 3.65-2.92 which equals 0.73.
Hope it helps
Answer: 5/8
Step-by-step explanation: