Electrician purchased 12 dimmer switches which cost $25 each he received a six dollar credit for each one she returned if she returned 12 switches how much did you spend over all

 $228 is spent by her overall.

Step-by-step explanation:

Since we have given that

Number of dimmer switches = 12

Cost of dimmer = $25

Total cost will be

According to question, he will receive $6 credit for each one she returned .

Number of switches she returned = 12

Total amount she will be credited is given by

Total amount she spend overall is given by

Hence, $228 is spent by her overall.

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100

let y equal to

the total fare and x is the mile of taxi ride. so the equation is

y = 0.55x + 1.75

since susie has

$10 to spend for a taxi cab, so he can have

10 = 0.55x +

1.75

x = 15 miles of

taxi ride

so the system of

inequality is

10 < 0.55x +

1.75

x > 2