Answer :

slimey122008

Answer:

270 minutes in all

Step-by-step explanation:

First, if we know that Deena spent 45 min painting, and that Clara spent 30 min more, than to find how much Clara painted you do 45 + 30 which equals 75. To find Adam, you do 75 x 2 which = 150.

150 + 75 + 45 = 270

Hope this helps!
Ok so you can work your way back. It says Deena has spent 45 minutes painting and Clara has spent 30 minutes more than Deena. 45+30 is 75. Next it says Adam spent twice as many minutes as Clara and we now know Clara spent 75 minutes. 75 times 2 is 150 minutes.
45+75+150= 270 minutes
(45 for Deena, 75 for Clara, and 150 for Adam)

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