David mowed three lawns over the weekend. the first lawn took 2 hours and 15 minutes. the second lawn took 2.75 hours. the third lawn took 4 hours and 30 minutes. how many hours did david mow?

the real question is why is this guys last name heavyfoot

step-by-step explanation:

i need points

step-by-step explanation:

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sin y = 7/q

7 is the opposite side length, q is the hypotenuse

tan y = 7/r

7 is the opposite side length, r is the adjacent side length

using sohcahtoa ^^^^

cos y = adjacent/hypotenuse

cos y = r/q