1.) If you want to accumulate RM5,000 at the end of 12 months, knowing that the interest rate is 0.8% per month, how much should you save monthly, starting at end of this month to achieve this goal?

2.) Deris took out a car loan of RM45,000, to be repaid in 7 years. At an interest rate of 2.5%, find the monthly installment that she needs to pay?

3.) Hazel saves X today, 2X at the end of one year, and 3X at the end of the second year into a Bank which credits interest of 5% per annum. At the end of the 5th year, the account has grown to RM17,950. Find X

PLEASE ANSWER ALL THESE QUESTIONS ASAP. THANK YOU:))