Question

Iliana's math grade increased from 65 to 86. Fiona's math grade increased from 70 to 80. What is the difference, rounded to the nearest whole number, between the approximate percent increases? What percent is it

Answer 1

Answer:

18%

Step-by-step explanation:

Iliana's math grade increased from 65 to 86.

So, the percentage increase in the her math grade will be $\frac{(86-65) \times 100}{65} = 32.31$% (Approximate)

Now, Fiona's math grade increased from 70 to 80.

Hence, the percentage increase in her math grade will be $\frac{(80-70)\times 100}{70} =14.28$% (Approximate)

So, the difference rounded to the nearest whole number between the approximate percent increases in math grades will be

(32.31 - 14.28) ≈ 18%

So, it is eighteen percent. (Answer)