Answer:
Let n be the number of questions you got right. Then
30-n equals the number of questions you got wrong.
So:
A) 20n-10(30-n)=180
30n-300=180
30n=480
n=16
30-n=14
B)You got <u>16</u> questions right and <u>14</u> questions wrong.
Answer:
1120
Step-by-step explanation:
8/50=x/7000
50x=56000
Divide 50 on both sides
1120
Answer:
Their headquarters contains <u>420000</u> employees.
Step-by-step explanation:
The company has two office buildings which hold 30,000 employees.
The headquarters contains 14 times as many employees as the overseas branch.
Therefore, the number of employees in the headquarters is:
14 * 30000 = 420000 employees
Their headquarters contains 420000 employees.
We have
that
Cost
use of a backhoe----------------------$300 an hour
<span> Estimate for equipment rental each week---------------------$18,400</span>
Total
hours operator per week--------------------------------------40
<span> 40*300</span>=$12000---------------------it
is the cost per week to use a backhoe
$12000<$18400 is ok
<span> The maximum of hours that I can rent </span>a backhoe <span> are 40 hours, since it is the limit of the
operator and it do not overcome the total budget </span>