Question

To make salad dressing, combine two tablespoons of oil for every three tablespoonsof vinegar. Fill in the blanks in the double number-line below.

Answer 1

It is given that,

Combine two tablespoons of oil for every three tablespoons

of vinegar to make salad dressing.

The sequence of numbers for the tablespoons of oil is,

2, 4, 6, 8, ?, ?, 14.

The common difference is 2.

Hence, the sequence must be,

2, 4, 6, 8, 10, 12, 14.

The sequence of numbers for the tablespoons of vineger is,

3, 6, 9, 12, ?, 18, ?.

The common difference is 3.

Hence, the sequence must be,

3, 6, 9, 12, 15, 18, 21.

Hence, the table becomes,

2, 4, 6, 8, 10, 12, 14.

3, 6, 9, 12, 15, 18, 21.