If you need an equivalent expression just make a simple problem like 30+4=4+30 then add all the complicated stuff needed to complete the problem <span />
32fruit/$16
=2 fruit per dollar
Therefore, go $4X2=8 fruit
The water in the tank is decreasing at a rate of 2 gallons per minute.
When two angles add to 90°, we say they "Complement" each other.