$16.76 divided by 4 = $4.19 each gallon
So $4.19 x 7 gallons = $29.33
<u>Direct Variation:</u> 

when y = 7: 
14 = 15x

<u>Inverse variation:</u> y*x = k
15 * 2 = k
30 = k
when y = 7: 7 * x = 30

Answer:
He worked 26 hours as a security guard and 4 hours as a landscaper
Step-by-step explanation:
6 because 6x6=36
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