Answer:
Mathematics has helped organize patterns and consistencies in the world because one must know that there is always mathematics in almost everything in this world. An example is an arrangement or grouping that repeats.
Hope it helps! ^-^
It’s obviously 15 because if you add all of the sides together you get red and r = 15, so it would be 15/26
Set up a porportion,
3/5 hours / 2/5 square yards
1 hour / x square yards
simplify by cross multiplying
3/5x <span>= 2/5(1).
</span>3/5x <span>= 2/5.
</span> 3/5/3/5x = <span>2/5/3/5
x </span><span>= 10/15
</span>x <span>= 2/3
</span><span>
so she can paint </span><span>2/3 square yards in 1 hour. hope this helps!</span><span>
</span>