Which of the following expressions is equivalent to 5 X (2 6 0. 25) 1.32 5 x (1) - 1.3 35 5 x () - 1.3 -1.3 – 5 x (2- 0. 25) -1.3 + 5 x (2 - )

X=6{2+3[2(8-3)+(4+1)-2]}

There are x tons of sand in a pile initially. Then of the sand in the pile is removed from the pile and, after that, another of a ton of sand is dumped onto the pile. Write two equivalent expressions in terms of x for the number of tons of sand that are in the pile now.

25 + 3 × [10 - (2 + 4)]