Homework Help: math

Posted by Jan on Friday, October 26, 2012 at 11:36am.

Hanna and Fran have 120. Hanna and Pete have 230.Pete has 6 times as much as Hanna. How much does Hanna have?

math - Reiny, Friday, October 26, 2012 at 12:29pm
h + f = 120
h + p = 230
p = 6h

plug p = 6h into the second
h + 6h = 230
7h = 230
h = 230/7
p= 6(230/7) = 1380/7
into 1st
230/7 + f = 120
f = 120-230/7 = 610/7

h = 230/7
f = 610/7
p = 1380/7

Related Questions

English - I'm writing a review and want to say that "xxx is what pushes...
history - I have to find out as much as I can about the Chartists. Please could ...
math - HOW DO I FIND THA AREA OF A TRIANGLE? 1/2 times the base times the height...
Algebra-- PLEASE help! - Pete's Plymouth travels 200 miles at a certain ...
Math - Solve z= 9/13c for c
Math - Find each quotient. A. 7/3 ÷3 1/2 B. 5/6 ÷ -18
Math - how do you write 0.7012 in scientific notation?
Math - Pete and jan compete as a team in a biathlon. Pete runs at a speed of 9 ...
ATTN: DRWLS RE: PHYSICS - pete and john play a game of tug f war on a ...
PHYSICS - pete and john play a game of tug f war on a frictionless icy curface. ...

For Further Reading

First Name:
School Subject:
Answer: