sharrahalbrook
contestada

20. A roast requires 3 hours and 40 minutes to prepare. When must it be put into the oven in order to be ready to be served at 6:30 P.M.?​

Respuesta :

MoonStarz2
6:30
1 hour=60 minutes
60x6=360+30=390
60x3=180+40=220
390-220=170

170 divided by 60=2.83

2x60=120

170-120=50


2:50

Check:

2:50+60=3:50+60=4:50+60=5:50+40=6:30
60+60+60+40=220

Answer: To roast a food item in the oven that takes 3 hours and 40 minutes to roast and have it done and served by 6:30 p.m, you would have to start at 2:50 p.m.

Answer: 2:50 p.m.

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