解答
解答
求解步骤
Translate the problem into an equation:
流行的例子
April took out a 600 loan from the bank. At the end of 5 years, she pays back the principal, plus 60 simple interest.What was the annual interest rate?Suppose you invest 3,500 in a savings account that earns 7% interest, compounded quarterly. How much money would you have after 6 years? Round your answer to the nearest pennyone half the sum of a number and three is the same as negative sixAfter sailing 18 mi, a sailor changed direction and increased the boat's speed by 4 mph. An additional 13 mi was sailed at the increased speed. The total sailing time was 3 h. Find the rate of the boat for the first 18 mi.The sum of a number and 5 is 1