Question

plest form.

1. 25 calculators to 20 students

Explanation:

Step1: Write the ratio as a fraction

The ratio of 25 calculators to 20 students can be written as the fraction $\frac{25}{20}$.

Step2: Find the greatest common divisor (GCD) of 25 and 20

The factors of 25 are 1, 5, 25. The factors of 20 are 1, 2, 4, 5, 10, 20. The GCD of 25 and 20 is 5.

Step3: Divide numerator and denominator by GCD

Divide both the numerator and the denominator by 5: $\frac{25\div5}{20\div5}=\frac{5}{4}$.

Answer:

The ratio in simplest form is $\frac{5}{4}$ (or 5:4).