Select all the expressions that are solutions to -2.7 + x = -3.5. a. -3.5 + 2.7
b. 3.5 − 2.7
c. -3.5 − (-2.7)
d. -3.5 − 2.7

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