Answer:
Step-by-step explanation:
d
Answer:
i dont understand what ur asking
Step-by-step explanation:
Interest = Pin = principal * interest rate * number of years
Let interest rate be i, then
600*i*2+150*i*4=90
1200i+600i = 90
i=90/(1200+600)=90/1800=1/20=0.05 or 5%
Answer:
2.1
Step-by-step explanation: