exam Maths Puzzle Numerical Ability

How do I solve the following system by substitution
5x-2y=-5

y-5x=3



The solution for this system is =>

Read Solution (Total 0)

exam Other Question

A coffee merchant has coffee beans that sell for $9 per
pound and $12 per pound. The two types are to be mixed to create 100 lb of a mixture
that will sell for $11.25 per pound. How much of each type of bean should be
used in the mixture?
Solve the problem. It takes 11 hours for 6 people to paint a house. How long will it take 2 people to do the job?