2 kilos is 1000 times more
Answer:
how to help u the picture is black
Answer: 4/5 , 3/10
Step-by-step explanation:
P(not drawing black marble)=
= 8/10
=4/5
P(drawing a red marble)=
=3/10
First we need to find out how much weight they were originally carrying.
7.8 kg x 3 climbers
=23.4 kg
Now we can find out how much each person should carry after a fourth person joins the group.
23.4 kg/4 climbers
=5.85 kg
Each climber carried 5.85 kg
Answer:
Step-by-step explanation:
(x + 4)(x - 3)=0
x + 4 = 0
x = -4
x - 3 = 0
x = 3
answer B