exam
Maths Puzzle
Numerical Ability
6. 20x + 3y= 20
-20x + 5y= 60
9. 3x - 10y= -25
4x + 40y= 20
10. 7x + 15y= 32
x - 3y= 20
11. x - 8y= 18
-16 + 16y= -8
12. 24x + 2y= 52
6x - 3y= -36
13. 88x - 5y
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exam Other Question
The head of a tropical fish is 1/3 as long as its midsection. Its tail is as long as its head and midsection combined. The total length of the fish is 48cm. How long is the tail of
This is a problem that I need to solve by system of elimination and then check the answer. The problem is:
{3a+2b=2}
{a+6b+18}
How do I solve this, and check the problem. Please help.
Thank You