27. The cost of living index number on a certain date was 200. From the base period the percentage increase in prices were : Rent 60, Clothing 250, Fuel and Light 150 and Miscellaneous 120. What was the percentage increase in the food group ? The weights for different groups were : Food 60, Rent 16, Clothing 12, Fuel & Light 8, Miscellaneous

Q: What proportion of cars are driving between 75 and 85 miles per hour?

A: We have given that

Q: At 4pm​, Li rented bikes from​ Pearl's Wheels. She returned the bike at 8​pm, after riding 39…

A: a. Person L rented a bike at 4 pm and returned it at 8 pm after tiding 39 miles.

Q: The number of housing foreclosures in 2008 was 3.98 million, up 81% over 2007. How many foreclosures…

A: Number of housing foreclosure in 2008 = 3.98 MillionWe need to find that how many foreclosure were…

Q: If Company A sells 30% as many cars as Company B, then what are Company B’s car sales, when they are…

A: Assumption and math drawing will help us in solving this question.

Q: what is the percent of change form 28 to 42?

A:

Q: Platinum was sold at $2025 per ounce last year. This year it sells for $2925 per ounce.  What is…

A:

Q: Suppose the sales tax in your town is 8%. What are some interpretations of this ratio?

A: The interpretations of this ratio are as:For every 12.5 cents of intended purchase you must have…

Q: hat is the percentage change in the airfare for the one-year period?

A: Need to calculate the percentage change in airfare for the one-year period

Q: What is the percent changein the price of a gallon ofgas, to the nearest whole percent?

A:

Q: 8. The total (After tax) cost of a laptop computer is 1278.24 Dollars The local tax rate is 7.60%.…

A: The total (after tax) cost of a laptop is  1278.24 dollars.  The tax rate is 7.60% .

Q: Mrs. Jacobsen wants to order toy instruments to give as prizes to her music students. The table…

A: The table of prices for various order sizes of Whistles and Kazoos is given below:   25 items 50…

Q: 8. If sugar costs $2.87 for 80 ounces, what is the cost per ounce, rounded to the nearest cent?

A: Cost for 80 ounces is $2.87

Q: Your friend’s office is having a weight loss contest, the winner will get $100. The participants'…

A:

Q: The New Yorker on March 29, 2010 James Surowicki wrote that the 25 million iPhones Apple sold in…

A:

Q: 10. The total (After tax) cost of a laptop computer is 1278.24 Dollars The local tax rate is 7.60%.…

A: See the detailed solution below.

Q: How do I set this problem up as a proportion ?

A: we  can solve it by setting up a proportion by making two ratios equal to each other.

Q: The regular price of a color TV is $529.43. During a sale, Hill TV is selling the TV for $425.79.…

A:

Q: Based on the Normal model for car speeds on an old town highway N(77, 9.1), what is the cutoff value…

A: The car speeds on an old town highway following a normal distribution.i.e.

Q: Marissa splits her expenditures for a particular month into four categories, as shown below Food…

A:

Q: In October, the circulation of the local newspaper was 247,624. The circulation of the newspaper in…

A: In October, the circulation of the local newspaper was 247,624 In September, the circulation of the…

Q: A new bridge reduced the normal 35-minutes travel time between two cities by 14 minutes. What…

A: Given information Original amount of time=35 minutes Reduce amount of time=14 minutes We have to…

Q: What's a part-to-whole ratio

A: We know thatThe ratio is defined as the comparison of two quantities of the same units that…

Q: With this set of numbers: 55,89,73,74,61,76,71,59,56 What is the percent in ages between 58 and 78?

A: From the provided information, The data values are as follow: 55, 89, 73, 74, 61, 76, 71, 59, 56

Q: e. Fill in the Relative Frequencies (3 decimal places) and Cumulative Frequencies. f. In what…

A:

Q: What is the percentage change from 4,000 to 3,400?

A:

Q: how to compute the percent difference of the results of the measured and computed values

A: We have to compute the percent difference of the results of the measured and computed values.

Q: An item with a price relative of 132 cost $10.75 in 2011. Its base year was 1994.a. What was the…

A:

Q: What is 74/100 written as a percentage

A: Refer to the attached image for the detailed solution:

Q: You are working with a neighborhood committee to apply for a grant to buy new playground equipment…

A:

Q: one is done for you. a. This year, there was 40% more snow than last year. The amount of snow this…

A:

Q: Suppose Paul has two monthly bills, one for utilities and one for cable services. Paul's utility…

A: Given See the handwritten solution

Q: Find the discount and sale price for the following discounted items. 25. retail price: $892;…

A:

Q: BELOW WHICH DISTANCE WERE 55% OF THE TRIPS MADE

A: The distance travelled (in kilometres) by a courier service motorcycle on 40 trips were recorded by…

Q: If New Hampshire's population was 1.4 million in 2018 and there were 1.3 million motor vehicle…

A:

Q: to convert to percentage is it 24.12% or 0.2412%

A: P(4.6<X<4.85) = 0.2412

Q: if boat originally cost 8,632.39, but the sell price is 6,400.00 what percentage of sell price is…

A: