contestada

carl earned $240 this week. this was $20 less than one-half the amount he earned last week which equation, when solved for x, gives the amount carl earned last week?

Respuesta :

$520 was earned by carl in last week

Step-by-step explanation:

(1/2 X - 20 )  = 240

1/2 X = 240 +20 = 260

[tex]1/2 X = 240 +20 = 260[/tex]

 X = 260÷1/2 = 520

[tex]X = 260÷1/2 = 520[/tex]

verification

520 ÷2 = 260 - 20 = 240

[tex]520 ÷2 = 260 - 20 = 240[/tex]

Hence proved

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