the first 4 questions are easy and you did ok
for 12, 20, and 35 = 7*5*3*2*2= 420 I don't see a question.
If you were finding a common denominator (highest common multiplier) then you were right. Except the equal sign after the 35 makes no sense, what is it equal to??
for the quality control question he samples 120 bottles per hour and anything over 1/50 to be defective is not acceptable.
1/50 of 120 is 2.4
So he should allow 2 defective bottles per hour but shut down the line after he finds 3 defective.
Your lunch question answer makes no sense.
You say he uses 1/2 pound per day, at $3 per pound would make $1.50 per day.
so for 20 days of work that would be 20(1.5) or $30
for your very last question you show no arithmetic operators, retype the question plese
Please double check me. The last problem I couldn't figure out. Thanks
18. 13/18 + 11/18 = 24/18= 4/3
38. 9/11 – 3/11 + 7/11 = 13/11=2 1/11
44. 7/1 + 12/1 + 21/1= 40/1=40
50. 3/8 + 3/8 + 3/8 = 9/8 = 1 1/8
12, 20, and 35 = 7*5*3*2*2= 420
13/15 – 11/20 = 13/15- 13/75 – 11/100 – 11/20 =
1 1/15 + 3 3/10 – 2 4/5 = 46 57/60
Julio works as a quality control expert in a beverage factory. The assembly line that he monitors produces about 20,000 bottles in a 24-hour period. Julio samples about 120 bottles an hour and rejects the line if he finds more than 1/50 of the sample to be defective. About how many defective bottles should Julio allow before rejecting the entire line? 65
Lunch meat sells for about $3 per pound. You use about 1/2 pound per day for sandwiches. How much should you budget for lunchmeat over the next month (about 20 workdays)? $100.00
17 11/12 / 6 1/10 ( help please)
5 answers
The last question is dividing
17 11/12 / 6 1/10
Robin ran 5 1/3 mi on Sunday, 2 1/4mi on Tues, and 3 1/2mi on Fri. How far did she run during the week?
5 1/3 + 2 ¼ + 3 ½ = 64/12 + 27/12 + 42/12 = 133/12 = 1 11/12
The interest rate on an auto loan in May was 12 3/8%. By September the rate was up to 14 1/4%. How many percentage points did the interest rate increase over the period?
12 3/8 + 14 ¼ = 99/8 + 57/4 = 198/16 + 228/16 = 426/16 = 10 26/16
Are these correct?
Subtraction
13/15 – 11/20 = 13/15- 13/75 – 11/100 – 11/20
17 11/12 / 6 1/10
Robin ran 5 1/3 mi on Sunday, 2 1/4mi on Tues, and 3 1/2mi on Fri. How far did she run during the week?
5 1/3 + 2 ¼ + 3 ½ = 64/12 + 27/12 + 42/12 = 133/12 = 1 11/12
The interest rate on an auto loan in May was 12 3/8%. By September the rate was up to 14 1/4%. How many percentage points did the interest rate increase over the period?
12 3/8 + 14 ¼ = 99/8 + 57/4 = 198/16 + 228/16 = 426/16 = 10 26/16
Are these correct?
Subtraction
13/15 – 11/20 = 13/15- 13/75 – 11/100 – 11/20
17. if you mean (11/12)÷(6 1/10) then
11/12 ÷ 61/10
= 11/12 * 10/61
= 55/366
Robin... is ok
for the interest problem why would you had the two rates.
To find the difference you have to subtract them
14 1/4% - 12 3/8%
= 57/4 - 99/8
= 114/8 - 99/8
= 15/8 or 1 7/8
so it increased by 1 7/8%
for the last:
13/15 – 11/20 common denominator is 60
= 52/60 - 33/60
= 19/60
I don't understand what you did.
you started with two fractions, then after the equal sign there are 4 of them. Did you type it properly??
11/12 ÷ 61/10
= 11/12 * 10/61
= 55/366
Robin... is ok
for the interest problem why would you had the two rates.
To find the difference you have to subtract them
14 1/4% - 12 3/8%
= 57/4 - 99/8
= 114/8 - 99/8
= 15/8 or 1 7/8
so it increased by 1 7/8%
for the last:
13/15 – 11/20 common denominator is 60
= 52/60 - 33/60
= 19/60
I don't understand what you did.
you started with two fractions, then after the equal sign there are 4 of them. Did you type it properly??
. Estimate the following products or quotients.
17 11/12 ÷ 6 1/10
17 11/12 ÷ 6 1/10
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1 answer