Simplify the following expression: 1.5 - 4 + 13

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15.5

Step-by-step explanation:

1.5-4+13

2.5+13

15.5

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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$79500

step-by-step explanation: