We can use minus(-) sign i.e. -9 to represent loss of 9 yards.
<h3>Write the difference between gain and loss.</h3>
The word “gain” implies “acquiring something”.
Gain means to acquire something one desires especially because of one’s efforts.
Gain means to get something additional, for example, to gain more speed, to gain more weight.
We can denote gain by using plus(+) sign before the given number.
“Loss” generally means “to lose something one already has.”
Loss means the deprivation from keeping something, for example, bearing the loss of a theft.
It refers to something which is lost, for example, the theft of jewelry was a great loss.
We can denote loss by using minus(-) sign before the number.
In the given question it is said that there is gain of 4 yards, loss of 9 yards and gain of 15 yards.
It is asked that how would we represent 9 yards loss.
We know that we use minus(-) sign to represent loss.
So we can represent loss of 9 yards by writing it as -9.
To learn more about gain and loss,
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is also correct, it's just switching around the 15