To solve for u, you add 15 on both sides making it 5u=45, then divide 5 on both sides to got u alone..so making it u=9
Answer
it would take 41 minutes to paint the wall
Let
x-------> the numbers of blue beads
y-------> the numbers of white beads
we know that
--------> equation 
--------> equation 
Substitute equation
in equation 

Find the value of x

therefore
the answer is
the numbers of blue beads is 
They can rent it for 7 hr. $20.60-$4.50=$16.10. $16.1 divided by $2.30= 7
Answer:
y is given to you
Step-by-step explanation:
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