A roller coaster has 10 cars 7 of the cars are green write two equivalent fractoin for the part of the cars that is green

7/10 = 14/20 = 21/30

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To find two equivalent fractions for the green cars on the roller coaster, we need to express the fraction in different forms while keeping the value the same.

First, let's find the fraction of green cars:

Green cars: 7
Total cars: 10

Fraction of green cars = Green cars / Total cars

Fraction of green cars = 7 / 10

Equivalent Fraction 1: Multiply the numerator and the denominator by the same number to find an equivalent fraction.

Let's multiply both the numerator and denominator by 2:

7 * 2 = 14
10 * 2 = 20

Equivalent Fraction 1 = 14 / 20

Equivalent Fraction 1 simplifies to: 7/10 (since both numerator and denominator are divisible by 2, giving us the same fraction.)

Equivalent Fraction 2: Multiply the numerator and the denominator by the same number to find another equivalent fraction.

Let's multiply both the numerator and denominator by 3:

7 * 3 = 21
10 * 3 = 30

Equivalent Fraction 2 = 21 / 30

Equivalent Fraction 2 simplifies to: 7/10 (since both numerator and denominator are divisible by 3, giving us the same fraction.)

Therefore, two equivalent fractions for the part of the cars that is green are 14/20 and 21/30.