An expression is shown 8 1/10 ÷ 4 1/5 what is the value

1 13/14

Step-by-step explanation:

Turn mixed fractions into improper fractions. 81/10 ÷ 21/5

Then change the division sign into multiplication sign and inverse 2nd fraction. 81/10 × 5/21

Then multiply across. 405/210

And divide. 1 13/14

3=log(n)=2

answer a: product property

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: