Geometry
I. Algebra If
a) 8x = ______
Notes Lesson 7.1
Name _______________________________
complete the statement
b)
y
 ______
x
Algebra Solve for x.
x 9
6 2
a) 
b) 
4 3
x 11
c)
x
 ______
5
2 x

x 32
d)
d)
8
 _____
y
II.
c)
x
3

x2 4
III. Use ratios and proportions to solve each problem.
a) About 45 out of every 300 apples picked at the orchard are rotted. If 3560 apples were picked in one
week, about how many apples were rotted?
b) The tenth grade dance last year for 80 students cost $200. This year there are 100 students, about
how much will the party cost?
c) A scale model globe is 42 ft. diameter and uses a 1:1,000,000 scale. How tall is Mount Everest on
the model? (Mount Everest is 29,000 ft. tall)
d) The scale on the map is 1 inch = 20 miles. If it’s 220 miles from Loopyville to Dopeyville, what
will the distance on the map be?
e) If 3 hens lay 10 eggs in 5 days, how man eggs will 3 hens lay in 20 days?
IV. Find the actual dimensions of the playroom.