LOG PROBLEM
2 pounds of turkey costs 6 dollars. What is the unit price? How much does 4 and 1/2 pounds cost?
WORK TODAY
We will work on the following problems from our Ratios and Rates Books:
a. Page 5- problems 8, 9a, 9b, 10
b. Page 7 – problems 11 and 12
c. Page 8 – problems 13a, 13b, 14 (all of them), 16
Answers for SHOWN WORK
PAGE 5
8) 50 mi/2.5 gal =20 miles per gallon
PAGE 6
9a) Arnold multiplied by 10.
9b) Arnold’s gas mileage 203 mi/8.75 gal =23.2 miles per gallon
10) Sheena’s gas mileage 81.2 mi/3.75 gal =21.65 miles per gallon
Compare the two rates
PAGE 7
11) Tom multiplied 10 gallons by 21 miles per gallon to get 210 miles.
Cathy divided 213.3 miles by 10.5 gallons to get 20.31 miles per gallon.
12)
Miles traveled = 46,404.9 mi – 46,260.6 mi =144.3
Gas used = 10.5 gal – 6.1 gal =4.4
Gas mileage =32.8 miles per gallon
PAGE 8
13a) 38 people/16 cars =2.375 people per car
13b)320 students/9 classes =35.55 students per class
16)Recommended: 4 plants/1 m
1st Row 30 plants/7.3 m =4.11 plants per meter
2nd Row 9 plants/2.6 m =3.46 plants per meter
