10x+5=8x-15
Combine like terms
10x-8x and 5-(-15)
2x=20
Divide 2 both side
Giving x=10
The answere is 1/4x-10=-50
Your class mate is correct. Remember when multiplying by a percentage to move the decimal place 2 decimal places to the left. Because 120 and 180 are equal to 300 your classmate is correct in saying that the mark up is 150%
Answer:
A
Step-by-step explanation:
Descending order is where the monomials of a polynomial are arranged in decreasing exponent order so the answer is A.
Answer:
x - m/q = t
x = m/q + t is the answer