Unit rates: one person walks 9/20 miles in each 3/4 hour. another person walks 8/15 miles in each 2/3 hour. who is faster?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

True or false look at the picture pls : /

Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x