Shelly bought a 2-ounce tube of blue paint. she used 2/3 ounce to paint the water,3/5 once to paint the sky and some to paint a flag. after that she has 2/15 ounce left. how much paint did shelby used to paint her flag? (pls answer)

Imagine that x (ounce) is the amount of paint used to paint the flag

Base on the information, we know that:

2/3 + 3/5 + 2/15 + x = 2

                             x = 2 - 2/3 - 3/5 - 2/15

                             x = 30/15 - 10/15 - 9/15 - 2/15

                             x = 9/15 = 0.6 (ounce)

So the amount of paint used to paint the flag is 0.6 ounce.

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