To find Y we must cancel X out by making it 0.
4.2(0) - 1.4y = 2.1
-1.4y = 2.1
Divide both sides by -1.4 to get the Y by itself.
Y = 2.1/-1.4
Y = -1.5
Answer:It right
Step-by-step explanation:
Answer:
<h2>8900</h2>
Step-by-step explanation:
<h3>there are 4 triangles and 1 trapezoid in the shape</h3>
the area of first triangle
½×40×60
20×60
1200
the area of second triangle
½×(30+60)×60
½×90×60
30×90
2700
the area of third triangle
½×(40+30)×60
½×70×60
30×70
2100
the area of fourth triangle
½×30×30
15×30
450
the area of the trapezoid
½×(30+40)×(30+40)
½×70×70
35×70
2450
the area of the field
1200+2700+2100+450+2450
8900
note: the attached shape is got from the table and the shape is not made to accuracy
Since there was a $2 discount, add the $2 to the $30. Now it's $32. Then divide $32 by the $4, which equals 8. So the customer bought 8 frozen yogurts.