The two sides of the building laid with glass are at 90° to each other. If the shorter side laid with glass is 8 meters and the longer side laid with glass is 10 m, what is the distance between one end of the glass to the
other end from inside the building?

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

i think the amount would be $140.62

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99