find 0.15% of 43 cookies
43/x=100/0.15(43/x)x=(100/0.15)x - we multiply both sides of the equation by x43=666.666666667*x - we divide both sides of the equation by (666.666666667) to get x43/666.666666667=x 0.0645=x x=0.0645now we have: 0.15% of 43=0.0645
43*0.0015=0.06450.0645 is 0.15% of 43