1 50-50
2 1/4
3 1/3 this is all about fractions
Answer: x=5 y=6
Step-by-step explanation: 6y=3× +21
6y-6=2× +20
Opposite sides of the rectangle are equal
Substitute 3x +21 into 6y in the second equation.
Answer:

Step-by-step explanation:
Given


Required
Represent as an equation;

Expand the above

<em>Recall that b = $10 ----given</em>
becomes


The answer should be A simple interest