What is one tenth of 1,850?

185

Step-by-step explanation:

1/10 of 1850 you move decimal one space to the left

Step-by-step explanation:

You must divide 1,850 by 10 or multiply by 1/10:

1,850/10 = 185

1,850 x 1/10 = 1,850/10 = 185

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

answer for #1 is c

answer for #2 is d

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