1 point A construction project requires the installation of concrete I-beams. The
dimensions for an I-beam are shown below. Note: 9" is 9 inches. If the
project requires a total of 20 I-beams, approximately how many cubic feet
of concrete is needed to pour these l-beams? Round your final answer to
the nearest cubic foot.

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%