F(t) = -3t+4f(t)=−3t+4f, left parenthesis, t, right parenthesis, equals, minus, 3, t, plus, 4
f\big(f(f, left parenthesis
\big)=19)=19

Empty box + box + empty box fill in the box is equal to 30 how

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

I’m still confused on how to work the percentages