Hey there!
You can count from 668 to 900 using the following:
668 → 768 → 868 (two 100s)
868 → 878 → 888 → 898 (three 10s)
898 → 899 → 900 (two 1s)
Hope this helped you out! :-)
There will be seven spaces between the 1st and the 8th post.
The distance between posts is 20 meters
The distance between the 1st and the 8th post is 20×7 = 140 metres
The answer is 0.3.
Take for instance, a numberline. The positive numbers are always greater than the negative numbers. Even though you have this type of question:
Which number is greater +100,000 or -100,000?
The answer would still be 100,000 because any positive number is always greater
In a rhombus all sides are equal, then:
6x +10 = 5x + 20
6x-5x = 20 - 10
x = 10 (answer D)
7x - 16 = 2(2x - 5)
7x - 16 = 4x - 10
7x - 4x = 16 - 10
3x = 6
x = 2
y = 7*2 - 16 = 14 - 16 = - 2
Answer
( 2; - 2)