4/6 is greater than 6/10 because if you change them to have a common denominator, it would be, 4/6 *10 which is 40/60 and 6/10 *6 which is 36/60. And 40/60 is bigger than 36/60.
Just divide 77 / 10
77 / 10 = 7.7
Or move the decimal place one time to the left.
77 = 7.7
Should be 270 minutes because 1500 is 250 6 times so you do 45 minutes 6 times which ends up as 270
For number 3 the problem solving it can be What is the difference between the T REX and the triceratops
The last one u could put Add up all the dinos and what will u get.