exam
Maths Puzzle
Numerical Ability
I need these answers ASAP!
Write the unit rate for each situation.
1.) bike 21 km in 50 min
2.) earn $18 for 1 hour 15 minutes work
3.) sew 9 curtain panels in 15 days
Read Solution (Total 0)
exam Other Question
3, 2, 5, 8
1,-2,1, -2
1,1,-1, 6
Use matrix
3x+2y+5z=8
x-2y+z=-2
x+y-z=6
Solve by elimination...
3x-y=21
2x+y=4