الحلّ
8 years from now John will be 34 years old. The current sum of the ages of John and Mary is 52. How old is Mary right now?
الحلّ
خطوات الحلّ
Translate the problem into an equation:
حلّ لـ:
Mary's age جد:
أمثلة شائعة
2 Find the value of an investment of 1200 in an account that earns 3% annual interest compounded quarterly after 4years.A triangle has a base of 7 meters and a height of 3 meters. What is the area of the triangle?8000 dollars is placed in an account with an annual interest rate of 6.55%. How much will be in the account after 15 years, to the nearest centAdam opened a savings account and deposited 6,189.00 as principal. The account earns 8% interest, compounded annually. What is the balance after 9 years?Latrell puts 3,996.00 into an account to use for school expenses. The account earns 3% interest, compounded annually. How much will be in the account after 5 years?