Isabelle is mixing red paint with blue paint to make purple paint. she adds 3/10 of a fluid ounce of red to 11/15 of a fluid ounce of blue to 1 1/30 make fluid ounces of purple. how many fluid ounces of red paint will she need to make 3 fluid ounces of purple paint?

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

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step-by-step explanation: