Which ratio is not equivalent to 5: 8? a.10 out of 18 b.15 to 24 c.20/32 d.10: 16

Which one is the correct answer, and why?

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%

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is