Question #74830

2 Answers
Nov 7, 2017

$60

Explanation:

Let xx be the earnings for 6 hours.

($400)/(40hrs)=($x)/(6hrs)$40040hrs=$x6hrs

Multiplying both sides by 120,

1200=20x1200=20x
x=60x=60

Nov 7, 2017

She earns $60$60 in 66 hours.

Explanation:

Let xx equal the amount of money she earns in 66 hours.

400/40 = x/640040=x6

Cross multiply

400(6)=40x400(6)=40x

2400=40x2400=40x

2400/40 = (40x)/40240040=40x40

60=x60=x