Laura has 9.23 pounds of seeds
if it takes 7.1 pounds of seed to plant one acre of grass
let the acres of grass to be planted be x
so,
7.1 = 1 acres
9.23 = x
lets cross multiply
7.1 X x = 9.23 X 1
7.1x = 9.23
divide both sides by 7.1
7.1x/7.1 = 9.23/7.1
x = 1.3
therefore,
1.3 acres