Posted by CHANTELL on Tuesday, November 2, 2010 at 10:09am.
Company A charges $55 per day plus $0.35 per mile to rent a car. Company B charges $50 per day plus $0.40 per mile. Jack wants to rent a car for three days. How many miles should Jack be traveling so that Company A is less expensive than Company B?

ALGEBRA  CHANTELL, Tuesday, November 2, 2010 at 10:11am
The volume of a rectangular slab of concrete needs to exceed 72 cu. ft. If the length is 12 feet and the width is 8 feet, how thick does the concrete slab need to be?

ALGEBRA  CHANTELL, Tuesday, November 2, 2010 at 10:12am
“Collin left the party one half hour before Gabriel. Terrence left an hour and a half later than Gabriel. Together the three of them stayed more than four hours. How long did they each stay at the party?”

ALGEBRA  CHANTELL, Tuesday, November 2, 2010 at 10:12am
Laura found $2.15 in quarters and nickels in the bottom of her purse. There were seven fewer quarters than nickels. How many nickels and quarters did she find?

ALGEBRA  Reiny, Tuesday, November 2, 2010 at 10:16am
company A:
cost = .35m + 55
company B:
cost = .4m + 50
solve
.4m+50 = .35m+55
.05m = 5
m = 5/.05 = .....
Please do not post a new problem as an appendix to a previous post.
Tutors will think it has been answered and might ignore the entire post
second Problem:
let the thickness be x ft
so 12(8)x ≥ 72
x ≥ 72/96
x ≥ 3/4 ft

ALGEBRA  don't post sequences of questions  Dr Russ, Tuesday, November 2, 2010 at 10:18am
You are more likely to get each answered if you post each question as an individual posting
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