How do you do fraction ,like 20 on top line then 30 on bottom ,i was bad art math sorry explaine to my daughter so she can finish home work .

20/30 is = to 1 10/30

Step-by-step explanation:

because 20 go in to 30 1 time and the left over is 10 and you keep the botom number the same 1 10/30

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)

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315