Katerina’s digital camera takes low resolution photos that use 0.5 mb of memory, and high resolution photos that use 2.5 mb of memory. on her photo shoot, she takes twice as many low resolution photos as she does high resolution photos. if she uses 63 mb of memory on the photo shoot, how many photos of each resolution did she take?

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%