Answer:
Last step of FOIL: Multiply 2 from the first binomial with 3 from the second binomial.
simplify: a? should be 25x^(6)y^(6)
Step-by-step explanation
Answer:
7x-1
Step-by-step explanation:
you have to combine like terms
Answer:
weekly earnings = 300+50x
Step-by-step explanation:
x is vacuums sold
Answer:
$8.27
Step-by-step explanation:
First we need to find the tip. We know it was 18% of the total. So...
x (the variable we need to find) 18%
__ = ___
10.08 (the total bill including tip) 100%
cross multiply
100x = 181.44
-------------------- (divide by 100 to get x by itself)
100
x = 1.81 (The 18% tip that was given)
So now we know how much the tip was, we subtract it from the bill
10.08 - 1.81 = $8.27