The electricity company advises tha you could save 12% on you electricity bill by installing a tankless water heater. if susan's bill was $125 last month, how much would she have saved by using a tankless water heater?

amount of electricity saved is 12%

Bill lat month= $125

She would have saved 15 dollars

answer: for each 3 girls there is 2 boys . 3: 2

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option 2 is correct.

step-by-step explanation:

we are given two inequality equation

x+y> 5 and -3x+2y< -2

first we draw the graph of both function using t-table method

equation: x+y> 5

for x=0, y=5

for x=-5, y=0

table:

x   :   0     5

y   :   5     0

test point (0,0) , 0> 5

false

equation: -3x+2y< -2

for x=0, y=-1

for x=2, y=4

table:

x   :   0     2

y   : -1       4

test point (0,0) , 0< -2

true

now we draw the graph. see the attachment for graph.

common region would be solution set.

option 2 is correct.