D/3 =13 what is d and explain why its d.

39

Step-by-step explanation

so d ÷ 3 = 13

first we want to change these numbers into a fraction so

d ÷ 3 =

13 is whole but we can still display it as 13÷1 =

line these up like this

now cross multiply the numbers that always line up diagonally so 13 and 3

13x3=39

next divide that answer by the number diagonal to the unknwon so 39÷1 = 39

that means d = 39

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step-by-step explanation:

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