What you could do it is. Start adding numbers and once you get close to
6 numbers See if you are close to 51 and switch around the numbers to make it equal 51 hope this helps
Answer:
He can fill 3 bags
Step-by-step explanation:
You would first make them have a common denominator so you would have 2/8 instead of 1/4 then you would do 6/8 divided by 2/8 to get 3
1/4 = 2/8
6/8 divided by 2/8 = 3
C. Plumber A and Plumber B will both charge $135 if they each work 2.5 h.