15% of the students in mr. riley's social studies classes watch the local news every night. mr. riley found that 136 of the students do not watch the local news. how many students are in mr. riley's social studies classes?

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

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step-by-step explanation: