Answer:

Step-by-step explanation:
Given


Required

This is calculated as:

Since, it is a probability with replacement, we have:

So, we have:


Answer:
158
Step-by-step explanation:
10.89-2.99 = 7.90
.5/7.90=158
2w+2(5+2w)=33
2w+10+4w=33
6w=22
w=11/3 or 3 and 2/3
Answer:

Step-by-step explanation:
Given

Required
Solve for x

Add
to both sides


Take LCM


Multiply both sides by 

Evaluate the left hand side


Divide 28 by 4
