Are there rational numbers that are not whole numbers?

A rational number is any number that can be expressed as a fraction. Whereas, a whole number is a positive number without a decimal or fractions. ... So every rational number is may or may not be a whole number but every whole number is a rational number.

Step-by-step explanation:

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walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

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step-by-step explanation: