Answer: 1/4
Step-by-step explanation: take the odds of the first event (1/2) and the odds of the second event (1/2) and multiply them together
Let x=gallons of 80% solution to be mixed
x+80=gallons go final 70% mixture
..
80%*x+30%*80=70%*(x+80)
.8x+24=.7x+56
.1x=32
x=320
gallons of 80% solution to be mixed=320
X = 6 after distributing then adding 39 to both sides and then divide by 13
Answer:
-75
Step-by-step explanation:
f(-10) = 7(-10) - 5
f(-10) = -70 - 5
f(-10) = -75