exam Maths Puzzle Numerical Ability

Use elimination to solve:
x+3y=16
2x-y=4

How do I find what x or y is equal to?

Read Solution (Total 0)

exam Other Question

Please help me with the following problem:

(1/16) with the exponent -3/4 after it The average mouth produces about 2 1/2 pints of saliva a day. David tried to test this hypothesis, and he did not swallow his saliva at all, but let it all drool into a 4-gallon bucket instead. How long before the bucket was full?