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January 26, 2015

January 26, 2015

Posted by **CHANTELL** on Tuesday, November 2, 2010 at 10:09am.

- ALGEBRA -
**CHANTELL**, Tuesday, November 2, 2010 at 10:11amThe 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 10:12amLaura 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 10:16amcompany 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 10:18amYou are more likely to get each answered if you post each question as an individual posting

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