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180/1,782  or 10/99

10/99 is the simplest form of 180/1,782

Step-by-step explanation:

when the number is - and is in a {} then is turns positive. so {-11/2} would turn into 11/2. now you have 5/9 divided by 11/2 = ?  

now you need to find a common denominator.

the common denominator is 18. so for 5/9 you have to multiply by 2 and you will get 10/18.

with 11/2 you have to multiply by 9 and you get 99/18

now you have to do as some people call it keep change flip. what that means is you keep the first fraction the same. you change the division sine to a multiply sine. and you flip the last fraction so that it looks like 18/99.

your new equation is 10/18 x 18/99.

now all you have to do is multiply strait across top and bottom.

so 10 x 18 = 180 and 18 x 99 = 1,782

so the fraction is 180/1,782  

b

step-by-step explanation:

given

- 2 (3x + 12y - 5 - 17x - 16y + 4 )

simplify the parenthesis by collecting like terms

= - 2 (- 14x - 4y - 1) ← distribute the parenthesis by - 2

= 28x + 8y + 2 → b

answer is:

1.75 pounds