book Maths Puzzle Numerical Ability

the sum of three-fourths of a number and two is eight.find the number

Read Solution (Total 0)

book Other Question

How do you find the pattern of change in a graph for?

f(x)= -3x^2 - 50x + 4

f(x) = -x^2 + 5x - 3

f(x) = -6|x+3|

f(x) = |x+11|
How do you know that if you start with two equal ratios that you will always end up with two equal products after cross multiplying?

I know how to work the problems, but cannot put it into words. Not sure what they are looking for.