Jane has twice as many books as Kate. If Jane gives 14 books to Kate, they will have the same number of books. How many books do they have altogether?

They would have 84 books all together.

Step-by-step Explanation:

For Jane to have twice as many books as Kate and to give 14 to have an equal amount, she would need to have 28 more books than Kate, meaning she has 56 and Kate has 28. This is because when you take -14 away from 56, you get 42 and when you add 14 to 28 you get 42.

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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step-by-step explanation: