The blue one with four corners!!!
x = 4/5
2/5=1/2x
Step 1: Flip the equation.
1/2x=2/5
Step 2: Multiply both sides by 2.
2*(1/2x)=2*(2/5)x=4/5
Answer:
$1.29
Step-by-step explanation:
Divide 15.48 by 12:
15.48 divided by 12= 1.29.
$1.29
120 grams half life at 45 days would be 60 then half life of 60 in another 45 days (90 total) should be 30 grams
