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DedPeter [7]
3 years ago
14

Ms. Blankenship had $80 to purchase school supplies for her class. She bought 32 glue sticks and 32 boxes of crayons. Each glue

stick cost $1.40, and each box of crayons cost $0.59. How much money did Ms. Blankenship have left after these purchases? F $16.32 G $18.88 H $63.68 J $35.20
Mathematics
2 answers:
anzhelika [568]3 years ago
7 0
All 32 glue sticks cost 44.80 dollars and all the crayon boxes cost 18.88 dollars. She spent 63.68 dollars. She has 16.32 dollars left.
babymother [125]3 years ago
4 0
First you have to multiply 32 times 1.40 to get $44.80 Then you have to times 32 times 0.59 which equals $17.92 44.80 plus 17.92 equals $62.72. 80 minus 62.72 equals 17.28.  $17.28 is your answer <span />
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Jo sold 132 mugs, One quarter of the mugs were small , the rest were large . Jo made a profit of £2.45 on each small mug. She ma
Natasha_Volkova [10]

Answer:

560

Step-by-step explanation:

Givens

Small mugs = 1/4    *    132 = 33

Large mugs = 132 - 33 =       99

Solution

Profit Small =  33 * £2.45 =  £80.85

Profit Large = <u>99 * £4.90 = £485.10</u>     Add

Total Profite =                      £565.95

4 0
3 years ago
(c) a farm brings 15 tons of watermelon to market. find a 90% confidence interval for the population mean cash value of this cro
Nina [5.8K]

Answer:

First we need to name some of the variables we are given:n = 38 the sample sizex = 6.88 the sample mean = 1.86 the population standard deviationWe need to find a 90% confidence interval for the mean price per 100 lbs of watermelon: = 1-.90 = .10/2 = .05z(/2) = -1.64-z(/2) = 1.64This can give us a probability expression:P(-1.645 < z < 1.645) = .90The margin of error is calculated with the formula: E = z(/2)(/√n)E = 1.645(1.86/√38) = $.4963(300) = $148.89   Then to calculate the upper and lower limit we add and subtract E from x:lower limit = 6.88 - .4963 = $7.38(300) = $2214upper limit = 6.88 + .4963 = $6.38(300) = $1914Note: We multiply the E, upper and lower limits by 300 because 15 tons is 30000lbs and we need the price per 100 lbs, so we divide 30000/100 and get 300.

Step-by-step explanation:

7 0
2 years ago
Need a confirmation that my answer is correct with explanation
brilliants [131]

Answer:

yes your answer is correct

5 0
3 years ago
How do the acute and obtuse angles compare to the right angles?
rewona [7]
Acute: The angle is LESS than 90 Degrees
Obtuse: The angle is MORE than 90 Degrees
Right: The angle is EXACTLY 90 Degrees
6 0
3 years ago
there are 12 players on the basketball roster. 9 of the players are in the 8th grade. What percent of the team is not in the 8th
alexandr402 [8]
Well there are 12 players and 9 are in 8th grade so the rest is leaving 3 so 3/12 so converted to percentage is 25% hoped this helped
3 0
3 years ago
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