해법
the sum of the ages of a father and son is 76. four years ago, the father was 3 times as old as the son. find the present age of each
해법
솔루션 단계
Translate the problem into an equation:
해결 대상
age 찾다
인기 있는 예
9 more than-8 times a number is-7what sit he result when the number 24 decreased by 50%Eli opened a savings account and deposited 700.00 as principal. The account earns 3% interest, compounded continuously. What is the balance after 8 years?Sophia earned some money doing odd jobs last summer and put it in a savings account that earns 9% interest compounded annually. After 3 years, there is 300.00 in the account. How much did Sophia earn doing odd jobs?Since switching to a new career, Brandon has been making 34,735 annually. That is 50% less than he got paid in the past. How much did Brandon make then?