1) Shanika can run 5 miles for every 30 minutes she runs. How many minutes will it take her to run 13 miles? Explain how you solved the problem.

78

Step-by-step explanation: multiply 13 x 30 which gives you 390 then divide that by 5 giving you 78 minutes.

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)