Set up a proportion here as the height over the shadow of the adult = to the height over the shadow of the baby. so you have 12/4.8 = height/2. cross multiply to get 12*2=4.8 times height, which is 24 = 4.8*height. divide both sides by 4.8 to get height = 5 feet
Answer:
-74x^2
Step-by-step explanation:
-2x x 5x -(8x)^2
-10x^2-(8x)^2
-10x^2-64x^2
-74x^2
1 gallon is $4.20
16.80/5=4.20