A. 5 positive x tiles and 1 negative
22.5/5 = 4.5
For every 4.5 minute, she runs 5 km
.........................It is 40.
add the fractiosn together, since they all have the same denominator, simply add the numerators
1/4+2/4+3/4=6/4
or
1 1/2 yards of fabric (2/4 = 1/2)
<span>Subtract u from 7, then divide v by the result</span>
v : (7 - u)
