The monthly salary of the Wai keong will be $7,000 and the amount of his savings will be $2,800.
A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.
Wai keong's monthly salary is twice the amount he save in April he save $3500 in April.
Let x be the monthly salary of the Wai keong.
Then the equation will be
x = 2 × $3500
x = $7,000
The monthly salary is $7,000.
In may, he saved $4200 less than the amount he spent.
Then the amount of money that he can save will be
⇒ $7,000 - $4,200
⇒ $2,800
The monthly salary of the Wai keong will be $7,000 and the amount of his savings will be $2,800.
More about the linear system link is given below.
https://brainly.com/question/20379472
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