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8M: 2-4 #2 QC (diff types and applications)
供稿人: Maynard
(原作者: Van dam)
1.  Jon and Sara are planting pine trees as a summer     job.  Jon planted 60 trees and is planting at a rate     of 20 trees per day.  Sara has planted 96 trees      and is planting at a rate of 11 trees per day.  In     how many days will they have planted the same     number of trees?
days
2.  Solve for b.
-11
-6
-7
-15
3.  Solve for v.
6
-11
-10
-8
4.  Solve for x.
2(x - 9) = 2 (x + 5)
no solution
1
-10
All Real Numbers
5.  Solve for n.
5
No solution
-5
All Real Numbers
6.  Solve for n.
1.5
All Real Numbers
-16
No solution
7.  Move-A-long moving company charges $200 a      day plus $21 per hour.  Take-U-There moving      company charges $270 plus $16 per hour.     How long is a job that costs the same no matter     which company is used?
hours
8.  The figures below have the same perimeter.  
     (Remember that perimeter means the distance
     around.)  What is the value of x?
x
2x+4
2x+4
x
6x
2x-8
2x-8
9.  There are two car rental companies the Whostam
     family is thinking of using for their upcoming
     vacation.  The details are in the chart below.
For how many miles will it cost the same, no matter
which company the Whostam family uses?
Go Fast Co.
Drive Safe Co.
Rental fee
$100
$75
miles
$ per mile
$0.15
$0.25
10.  The difference of 7 times a number and 17 is        equal to the sum of 4 times that number and 1.       Find the number.
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