Homework Help: Math

Posted by Jerald on Saturday, November 10, 2012 at 12:02pm.

At the regional swim meet the swimmer with the fastest time finished in 2 5/6 minutes. The last place finisher has a time of 4 2/3 minutes. What was the difference in minutes between the first and last place?
A.2 1/6
B.1 5/6
C.2 1/5
D.1 1/6
B?

Farmer Brown has a farm of 75 acres. He planted 5 2/3 acres in corn and 4 7/8 acres in wheat. He used the rest as grazing land. Which expression can be used to find how much more land was planted corn than in wheat?
A.75-(5 2/3+4 7/8)
B.5 2/3+4 7/8
C.75+ 5 2/3+ 4 7/8
D?

Math - Ms. Sue, Saturday, November 10, 2012 at 12:05pm
Your first answer is right.

What is D in the second question?
Math - Jerald, Saturday, November 10, 2012 at 12:10pm
5 2/3- 4 7/8
Math - Ms. Sue, Saturday, November 10, 2012 at 12:27pm
Right.
Math - Jerald, Saturday, November 10, 2012 at 12:30pm
Tara's distance relay team won the area competition by running a total of 44 3/4 miles. If Janet ran 15.5 miles and Bri ran 16 miles how many miles did Tara run>
A.44.5
B.28 3/4
C.47.75
D.13 1/4
C?
Math - Ms. Sue, Saturday, November 10, 2012 at 12:33pm
No. Read the problem again.
Math - Jerald, Saturday, November 10, 2012 at 12:38pm
A?
Math - Jerald, Saturday, November 10, 2012 at 12:42pm
But when I divide 179 into 4 I get 44.75
Math - Ms. Sue, Saturday, November 10, 2012 at 1:09pm
You don't divide.

how many miles did Tara run?
Math - Jerald, Saturday, November 10, 2012 at 1:11pm
Am I suppose to turn 44 3/4 into a decimal?
Math - Ms. Sue, Saturday, November 10, 2012 at 1:13pm
You can. It's easier working with decimals than with fractions.
Math - Jerald, Saturday, November 10, 2012 at 1:22pm
D?
Math - Jerald, Saturday, November 10, 2012 at 1:23pm
Wait I got it thank you
Math - Ms. Sue, Saturday, November 10, 2012 at 1:28pm
Yes, D is correct.

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