Jon has 953 points in his math class. he must have 68% of the 1500 points possible by the end of the term to receive credit for the class. what is the minimum number of additional points he must earn by the end of the term to receive credit for the class?

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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