exam Maths Puzzle Numerical Ability

.5x + 2y = 9
4x - 15y = 2

Read Solution (Total 0)

exam Other Question

At a particular speed, a jumbo jet can travel its own length in 20 seconds. At the same speed, the jumbo jet taxied completely past a 710 foot long hangar in 70 seconds. What is the length of the jumbo jet?

Thanks for your help. solve and graph the followin:

x-1>-5
2x<6
x-7>-4
4<-4x
-3x+4<-x+2
-2(x-4)>5-(x+2)