It takes tom 1 hour to lay 30 bricks.
he has to lay 180 bricks.
tom starts to lay the bricks at 9 a. m
he has half an hour break at 11 a. m
he has another half an hour break at 1 p. m
what time should tom finish laying the 180 bricks?

in the math equation 8 x 7 = 56, the 8 and the 7 are both factors of 56, since in this lesson we will use square tiles to figure out the factors of a whole find as many different arrays as you can, but follow one important rule: all the rows must have the i can make two rows of nine, so 2 and 9 are both factors of 18.

step-by-step explanation:

25% is the answer