Question

write the algebraic expression for this situation. The deficiency in rainfall this year is 20% compared to last year. ​

Answer 1

Answer:

The expression for rainfall this year: x-((20/100)×x)

Step-by-step explanation:

Let the amount of rainfall occuring last year be: x cm.

The deficiency in rainfall this year will be 20% of rainfall of last year i.e. x cm.

So the rainfall occuring this year will be= Rainfall of this year - deficiency

i.e.

Rainfall = x-((20/100)×x)

Hope it helps