Answer:
$44
Step-by-step explanation:
To get 45% of something, first multiply it by 0.45 or 45%:
80x0.45=36
Now subtract that from the original price of $80 to get your answer:
80-36=44
The answer is the sale price is $44
Define x:
Let the sum be x
Construct the equation:
<span>The sum of 3 times a number and 5 is 2 times the number plus 15.
</span>→ 3x + 5 = 2x + 15
Solve x:
3x + 5 = 2x + 15 | Equation
x + 5 = 15 | Take away 2x from both sides
x = 10 | Take away 5 from both sides
Answer: The number is 10.
Answer:
- 
Step-by-step explanation:
The reciprocal of a number n is 
Thus the reciprocal of - 
is
= -
7/18
Flip the second fraction and change the sign to multiplication.
2/-3x7/-12
