1.04 Percent increase and decrease
Interactive practice questions
How can we find the percent increase from $50$50 to $80$80?
By dividing the amount of increase, $30$30, by the original amount, $50$50, to get $\frac{30}{50}=60%$3050=60%
By dividing the amount of increase, $30$30, by the increased amount, $80$80, to get $\frac{30}{80}=37.5%$3080=37.5%
By dividing the original amount, $50$50, by the increased amount, $80$80, to get $\frac{50}{80}=62.5%$5080=62.5%
By dividing the increased amount, $80$80, by the original amount, $50$50, to get $\frac{80}{50}=160%$8050=160%
Here is a grid of one hundred blue squares, representing our total quantity.
Each small square represents $1%$1% of the total.
Here is a grid of one hundred blue squares, representing our total quantity.
Each small square represents $1%$1% of the total.
By what percentage should a quantity be multiplied with in order to increase it by $17%$17%?