So you have to add up all of the cars which would be 18 and then he sees hybrid which is 4 so 4/18 but you have to simplify which would be 2/9
I = prt is the formula for simple interest
400 = 8000* .02 * t
400 = 160 * t
2.5 = t
2.5 years to earn $400 interest
Answer:
11/200
Step-by-step explanation:
5.5% = 5.5/100 = 0.055
0.055 1000
———- X ———
1 1000
=55/1000
=11/200