what is the answer to 5/6(12y-6)-2=4/5(10y-20)-1

Question

i need help solving and answering this question please

Answer 1

(5/6)(12 y - 6) - 2 = (4/5) (10y - 20) - 1
5(2y - 1) - 2 = 4(2y - 4) - 1
10y - 5 - 2 = 8y - 16 - 1
10y - 7 = 8y - 17
10y - 8y = 7 - 17
2y = -10
y = -10 / 2
y = -5

Answer 2

word problem:

Ken ordered 4/5 of a ton of sand.

He wants 1/3 of the sand delivered now.

He wants 2/3 of the sand delivered later.

What fraction of sand should he receive now?

I need to illustrate this as well as calculate it.

Thanks

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