The possible solution is having 30 rolls of wallpaper and 20 can of paints or 30 rolls of wallpaper with 46 can of paint.
<h3>
Inequality</h3>
Inequality is the non equal comparison of two or more numbers and variables.
Let x represent the number of wallpapers and y represent the number of cans.
He needs at least 30 rolls of wallpaper and at least 20 cans of paint. Hence:
x ≥ 30 (1);
y ≥ 20 (2)
Also:
32x + 28y ≤ 2240 (3)
Plotting the 3 equations using geogebra online graphing tool, the possible solution is:
(30, 20), (30, 46)
The possible solution is having 30 rolls of wallpaper and 20 can of paints or 30 rolls of wallpaper with 46 can of paint.
Find out more on Inequality at: brainly.com/question/24372553
Given that,
The equation is : 1+y=-4/5x-2
To find,
The slope of the line.
Solution,
We have,
![1+y=\dfrac{-4x}{5}-2](https://tex.z-dn.net/?f=1%2By%3D%5Cdfrac%7B-4x%7D%7B5%7D-2)
Subtract 1 from both sides.
.....(2)
The general equation of line is :
...(1)
where m is slope and c is y-intercept
Comparing equation (1) and (2)
m =
and c = -3
Hence, the slope of the line is
.
400, because each interval represents 40 and they are 10 intervals apart. 40*10=400
No, because are differents figures
She charges $15 extra for each hour increased.
15+15=30 ,30+15=45, 45+15=60.
$15 is the unit rate.