Answer:
x=7 y=3
Step-by-step explanation:
-x+6y=11
2x-3y=5
-2x+12y=22
2x-3y=5
Add both equations
-2x+2x-3y+12=22+5
9y=27
y=3
plug y back in
-x+18=11
-x=-7
x=7
Answer:
1. a =3(2a) +5 and a= 6a+5
2. 47=3(2times 7) +5 and 47 =6 time 7 plus 5
Step-by-step explanation:
The percentage change in the staff strength of the grocery store is 10.53%.
<h3>How to find the percentage change?</h3>
We are given;
Number of employees in store = 38 employees
Number of additional people hired = 4 employees
Thus, percentage change in their staff is;
4/38 * 100% = 10.53%
Thus, the percentage change in the staff strength of the grocery store is 10.53%.
Read more about Percentage change at; brainly.com/question/2085058
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The volume of the box is 99 unit cubes.
<h3>What is the volume of the box?
</h3>
A cube is a three-dimensional object that has six faces, twelve edges and eight vertices. The length, width and height of a cube usually has equal dimensions. The volume of the box is a function of the dimension of the cubes in it and the number of layers.
Volume of a box = number of layers x amount of units
9 x 11 - 99 unit cubes
To learn more about the volume of a cuboid, please check: brainly.com/question/26406747
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