Answer:
Person A made 108 cupcakes and person B made 60 cupcakes.
Step-by-step explanation:
Person A makes 1 cupcake in 5 minutes.
Say in x minutes A makes : 
cupcakes
Person B makes 1 cupcake in 9 minutes.
Say in x minutes B makes : 
cupcakes
Total cupcakes prepared by A and B in x minutes = 168
So, cupcakes made by A = 
Cupcakes made by B = 
Person A made 108 cupcakes and person B made 60 cupcakes.
Answer:
4/5<5/6
Step-by-step explanation:
4/5=0.8
5/6=0.833...
4/5<5/6
Answer:
the vertical bar "|"
Step-by-step explanation:
Sorry if it's wrong.
To solve inequalities algebraically, first, you have to graph the lines disregarding the inequalities for a while.
For line 3x-y-7 <0, let's disregard < first and change it to =, such that 3x-y-7=0. Rearranging, y=3x-7. If you plot this equation, that would be the blue line in the equation. To know which of side of the line is the solution, you substitute a random point into the equality. For example, let's use point (5,20).
3x-y-7<0
3(5)-20-7<0
-12<0, this is true. Therefore, all the space to the left of the blue line is a solution (blue region).
We do the same for the other equation (orange line). Let's use the same point (5,20) to test.
x+5y+3≥0
5+5(20)+3≥0
108≥0, this is true, Therefore, everything above the orange line is a solution (orange region).
The overlapped area of the two shaded regions is presented as green in the picture. This is the exact solution of this system of linear equations.
