You buy 2 t-shirts in a sale. you pay the full price of $12 for the first t-shirt, and you
get the second t-shirt for half this price. what fraction of the full price do you pay for 2
full price is 12 dollars per shirt. 12 * 2 = 24 (full)
12 + 6 = 18 (discount)
18/24 = 3/4
check the picture below.
write down the equation for calculating the volume of a sphere. this is the equation: v = ⁴⁄₃πr³.
find the radius. if you're given the radius, then you can move on to the next step.
cube the radius.
multiply the cubed radius by 4/3.
multiply the equation by π.