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
5/2 is already in its simplest form. You cannot reduce this fraction any further.
Answer:
1 and 3 I think
Step-by-step explanation:
Answer:
Step-by-step explanation:
Alright, lets get started.
The given equation is :

Subtracting 1 in both sides


Dividing 2 in both sides


Taking log on both sides


Plugging the value of log e as 1

..................... Answer
Hope it will help :)
The (2x+4) would be obtuse and 76 would be acute