Opening Problems 7% of $350 Find the slope of 5x – 7y = 9

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Presentation transcript:

Opening Problems 7% of $350 Find the slope of 5x – 7y = 9 Find the probability of snow if the odds are 4/3.

Buying Food Determine whether a labeled price makes sense. Use unit price to find the better buy. Calculate the total price when using coupons.

Look at the following prices. Do the prices look accurate? 3 lb of chicken at $2.19 per lb $5.89 12.6 lb turkey at $.69 per lb $8.69 .76 lb of bologna at $1.89 per lb $1.44 Estimate (lb x price) >> accurate?

Comparing Prices To compare prices to find the best buy find the UNIT PRICE Unit Price = Cost / Size Be careful that the sizes are in the same units. Best buy is the lower unit price. Ex: Which is the better buy: 1.75 lb for $3.79 or 2.5 lb for $4.99

Compare the following prices and select the best buy. 24 oz for $2.69 or 2 lb for $3.10 .5 L for $.79 or 2000 ml for $2.79

Find the total cost of the following shopping list. 4 cans soup for $1.49 each 3 lb of hamburger for $1.89 2 gallon of milk at $2.69 3 bags of chips at $2.29 3 boxes of velveeta at $2.89 You have two coupons for $.50 off a box of velveeta. What would the total bill be without sales tax? Total bill with sales tax?

Assignment Page 113 #1-20 all and the extension problem.