There are 5 chocolate bars. Each bar is split into 8 pieces.
What does the expression 5 x 8 represent?

5x8= the 5 chocolate bars times the 8 pieces in each chocolate bar. Hope it helps! If you need more explanation answer me back

Step-by-step explanation:

42 teaspoons of vinegar should be used

Step-by-step explanation:

This question is solved by proportions, using a rule of three.

4 teaspoons of vegetable oil and 12 teaspoons of vinegar. 14 teaspoons of vegetable oil were used

So

4 teaspoons of vegetable oil - 12 teaspoons of vinegar

14 teaspoons of vegetable oil - x teaspoons of vinegar

So

Dividing both sides by 4:

42 teaspoons of vinegar should be used