Answer:
3.2%
Step-by-step explanation:
-Let r be the simple interest rate per annum.
-Given the total amount after 1 year is 1857.60, the initial amount is 1800
#We use the simple interest formula to find the rate of interest:

Hence, the annual interest rate on the deposit is 3.2%
Step-by-step explanation:
Probability = possible chances
Total chances.
Answer: $1.04 is how much they payed for the trumpet
Step-by-step explanation: