Answer:
20<
Step-by-step explanation:
System of equations subtraction method
In the addition/subtraction method, the two equations in the system are added or subtracted to create a new equation with only one variable. ... Substitute the variable back into one of the equations and solve for the other variable. Check the solution--it should satisfy both equations.
I got 2.2
Step-by-step explanation:
I probably did the math wrong but i did my best and i hope this helped even a little!
0.05(0.85y)=5%(of the onsale dvd)
and a is just the on sale dvd (85%)
Answer:
D
Step-by-step explanation:
10/7 = 1.4285
9/y = 1.4285
Multiply both sides by y.
9 = 1.4285y
Divide both sides by y.
6.3 = y
