Step-by-step explanation:
Isolate the variable
10x - 7x = -20 - 8
3x = -28
x = -9.333333333333
Answer:
the answer is 445.5
Step-by-step explanation:
what I did was divide 50 by 495 and got 9.9 then since it took 45 minutes every 50 square feet of floor i multiplied 45 x 9.9 and got 445.5
Answer: The first machine would cost $420
and the second machine would cost $432
you should buy the first machine
Step-by-step explanation:If you get a 30% discount, then you are paying 70% of the selling price.
Machine 1: 600(.70) = 420
Machine 2: A 10% discount means you pay 90%
600(.90) = 540 But now you get a 20% discount on that amount, which means you would pay 80%
So, 540(.80) = 432
-5^7/-5^2=5^7/5^2= 5^(7-2)=5^5 this is the answer
Answer:
<u>13</u> months attended the club.
Step-by-step explanation:
Given:
In order to join a dancing club there is a $30 startup fee and a $4 monthly fee. If you joined the club and spent $82.
Now, to find the months attend the club.
Startup fee = $30.
Monthly fee = $4.
Total money spent = $82.
So, we deduct the startup fee from the total money spent:
The remaining amount is $52.
Now, we divide the monthly fee by the remaining amount to get the months attended:
Therefore, 13 months attended the club.