12/3 = 4 lockers
So, 4/3 cans for 4 lockers ...
-(-0.45) ...
1) It takes 4/3 cans of paint to paint 12/3 lockers in the 7th grade hallway.How many cans does it take to paint one locker?
a. 48/9 cans
B. 36/12 cans
C. 1/3 cans
D. 9/48 cans
2)Carlos is adjusting a balance of scale that reads -0.45kg.He will need to add the opposite of this reading to balance the scale at zero.How much will he need to add to the scale?
A. -0.9kg
B. -0.45kg
C.0.45kg
D. 0.90kg
1 answer
2 answers