Answer:
37.5 percent
Step-by-step explanation:
First, work out the difference (decrease) between the two numbers you are comparing(which is 15 in this case) . Next, divide the decrease by the original number and multiply the answer by 100.(15/40=0.375 times 100=37.5) If the answer is a negative number, this is a percentage increase
Simplitying
8y + - 3y=0
combin like terms : 8y + - 3y= 5y
5y = 0
solving
5y = 0
solving for variable. ' y ' .
move all terms containing y to the left , all other terms to the right
divide each side by ' 5 ' .
y = 0
simplifying
y = 0
Answer:
Yes
Step-by-step explanation:
If you add two positive numbers, the sum will always be greater.
Ex: 5+5=10
If you add two negatives, the sum will always be greater.
Ex: -5+-5=10
Answer:
multiply the top equation by -5, then add the equations
Step-by-step explanation: