1. t+b=280
2t+3b=660
b=-t+280
2t-3t+840=660
-t=-180
t=180
b=100
He sold 180 tacos and 100 burritos
2. x=5 cent pencils
y=10 cent pens
x+y=1000
.05x+.1y=74.5
y=-x+1000
.05x-.1x+100=74.5
-1.5x=-25.5
15x=255
x=17
y=983
They sold 17 pencils and 983 pens
Answer:
There are no values of a that make the equation true. No solution
Step-by-step explanation:
Answer:
120
Step-by-step explanation:
the pic was blury but the bigger rectangle seemed to be 10 by 8 so you multiply 10×8=80. the smaller rectangle is 5 by 8 so you multipy 5×8=40. then add 40+80=120
Answer:
5
Step-by-step explanation:
The initial value is when x=0
When x=0, y =5
The initial value is 5