Answer:
75
Step-by-step explanation:
75 + 7 = 82
82 - 7 = 75
Answer:
$7.50
Step-by-step explanation:
set it up as a proportion:
amount she charges/number of kids= x/number of kids
4.50/3=x/5
Answer:
x = 6
Step-by-step explanation:
A.
To solve, you need to get the variable by itself.
Order of operations:
Square root both sides.
(x-5)= plus/minus root 3, as 3 is not a perfect square.
Now you need to add 5 to both sides to get it to disappear on the side with the x.
x=root3 +or - 5, which can be rearranged so that 5 is the first term.
They site there sources or give information to prove why there point is correct
