Question

max has a box of 200 colored blocks. the box has an equal number of green and blue blocks and equal number of red and yellow blocks. if max arranged all of the green blocks in stacks of 12 and all of the blue blocks in stacks of 7, how many red blocks are in the box key on USA test prep

Answer 1

If there are x blue and x green,
we know that x must be LCM(12,7) = 84
then there are (200-84*2)/2 red and yellow

Answer 2

The answer is 16

Answer 3

tysm!!!