Saturday

April 19, 2014

April 19, 2014

Posted by **gary** on Saturday, July 13, 2013 at 3:08pm.

B. Lisa is 15 years old and her father is 40. How many years ago was the father six times as old as Lisa?

C. Joel is one third the age of Bob. In 7 years the combined ages of the boys will be 58. How old is each boy now?

D. Tom is three times as old as Leigh Ann. In 7 years, the sum of half of Tom's present age and a third of Leigh Ann's age will be the same as Tom's age now. How old will Tom be in 7 years?

- math -
**Steve**, Saturday, July 13, 2013 at 7:04pmA.

n years ago, daughter was born. So now mother is n+30 and daughter is n

n+30 = 3n+6

n = 12

In 5 years daughter will be 17

B.

n years ago

6(15-n) = 40-n

n = 10

C.

3j=b

j+7+b+7=58

4j=44

j=11

b=33

D.

t=3a

t/2 + (a+7)/3 = t

3a/2 + (a+7)/3 = 3a

9a + 2a+14 = 18a

a = 2

t+7 = 13

**Related Questions**

math - A. John is now 10 years older than Marcus. Three times John's age 5 years...

Math - 7. Most powerful business women in America. Consider that the data set is...

word problem - a woman age and her son added to 45, 5 years ago the woman was 6 ...

Statistics - 7. Most powerful business women in America. Consider that the data ...

English Grammar - 1. Let's find whether you have a booklet introducing your ...

Maaaath!!! - A woman is three times as old as her daughter, but in 12 years she ...

algebra - A person is 3 times as old as aonther person but in 15 years she will ...

MATH - 1. A father is three times as old as his son. Five years ago the sum of ...

math - When a woman is as old as her father is now, she will be five times as ...

general ability - Stephen is 14 years old. In 13 years time he will be 3 fifths ...