Answer:
7 dollars
Step-by-step explanation:
Because 1/2 a pound is half of 1 pound and 3.50 is the value of half that pound, you can add 3.50 to 3.50 to get 7 dollars which is the value for 1 pound
In ax+by=c form
slope=-a/b
y intercept is when x=0
sloope of 2x-5y=12 is -2/-5=2/5
y intercept of 4y+24=5x
4y+24=5(0)
4y+24=0
4y=-24
y=-6
y int=-6
y=mx+b
m=slope
b=y intercept
y=2/5x-6
answer is 2nd optoin
4/2 forms a proportion because it can be simplified further into 2.
20/6 forms a proportion because it can be simplified to 10/3
