Solve for the unknown angle measures of the polygon. A pentagon has angle measures of 103°, 102°, 110° and 114°. What must the fifth angle measure?

The fifth angle measures
°.

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint