(4/5)/(2/3)=4/5*3/2=12/10=1 1/5
two fractions dividing is the same as two fractions multiplying with the second fraction flipped around
1 1/5 yards per second
Just solve until the answers are the same
25 times x plus 30 for John
15 times x plus 50 for Mary
The answer to the question is c