Josh is 6 years older than 4 times Kim's age. The sum of their ages is less than 31. What is the oldest Kim could be? Show all your work.

answer:

sometimes

*i think

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)