Each seed packet can grow 6 flowers. So she needs 3 packets to grow 18 flowers.
X -2 -1 0 1 2
y -8/3 -7/3 -2 -5/3 -4/3
Points to plot:
(-2,-8/3)
(-1,-7/3)
(0,-2)
(1,-5/3)
(2,-4/3)
No. Say she has a coordinate (3,1)
It can be y=(1/3)x or y=x-2
They can be done either way. So she needs two pairs of values to write an equation.
30% decrease
175 divided by 250 = 0.7
1 - 0.7 = 0.3
0.3 = 30%