Answer:
$157,500
Step-by-step explanation:
First you have to find what 10% is and then you subtract it from what she earns now. To find a percentage you do part/total = %/100 The total is what she earns now because we are finding the part of it
x/175000 = 10/100 Now we cross multiply
100 * x = 100x 175,000 * 10 = 1750000
100x = 1,750,000
now divide both sides by 100 so that x is alone and you know the 10%
1750000/100 =17,500
10% of her salary is $ 17,500
Now we have to subtract it to what she is getting now because her salary is being reduced
175,000 - 17,500 = 157500
Answer:
B. 5 hours
Step-by-step explanation:
If the train is going 60mph and we need to find out how long it will be until it is traveling 80mph then we have to do 80-60=20 to figure out how much the speed is changeing. Since every hour the speed increases by 4mph then we have to do how much the train is increasing divided by how much it increases per hour.
20÷4=5
Therefore it will take 5 hours
Given:
The system Mx+Ny=P has a solution (1,3) where Rx+Sy=T; <span>M, N, P, R,S and T are non-zero real numbers.
Solve for M, N, R, P, S, T:
M +3N = P
R + 3S = T
The given choices should simplify to the equations above.
A) Mx +Ny = P
7Rx + 7Sy = 7T
7(Rx + Sy) = 7T
Rx + Sy = T
remarks: CORRECT
B) (M+R)x + (N+S)y = P + T
Rx + Sy = T
Mx + Rx + Ny + Sy = P + T
Mx + Ny + T = P + T
Mx + Ny = P
remarks: CORRECT
C) Mx + Ny = P
(2M - R)x + (2N - S)y = P - 2T
2Mx - Rx + 2Ny - Sy = P - 2T
2(Mx + Ny) - (Rx + Sy) = P - 2T
2P - (Rx + Sy) = P - 2T
remarks: INCORRECT
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