Answer:
7 is the unit rate.
Step-by-step explanation:
7 because 7x4 is the 28.
Answer: x=7
Step-by-step explanation:
(5x-40)+7 = 2
5x-33 = 2
5x = 35
x = 35/5
x = 7
Answer:
$64.15
Step-by-step explanation:
1.08(99(1-0.4))
99x0.6=59.4
59.4x1.08= 64.152
Please don't post masses of questions all at once. 1-2 problems per post would be more realistic and fairer to others who need help.
Regarding <span>x-2/5 = 1/5
We are to solve for x. To do this, let's remove the fractions by mult. all 3 terms by 5. Then 5x - 2 = 1, or 5x = 3.
Dividing both sides by x, we get x = 3/5 (answer). Check this by subst. 3/5 into the original equation.</span>
