The number 6 could replace the gap :)
Answer:
15cm^2
Step-by-step explanation:
area of rectangle
area = length x width
5cm x 3cm
15cm^2
<span>im pretty sure it would be 1 in 3 or 1 in 4</span>
so to solve you hav eto make the equation;
you have to put one equation on one part of the equal side and the other on the other, then solve
